docs(paperless-ngx) Update How to Guide & remove TrueNAS reference (#32926)

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⚒️ Update Paperless-ngx How to Guide & remove TrueNAS references.

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- [ ] ⚙️ Feature/App addition
- [ ] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] 🔃 Refactor of current code
- [x] 📜 Documentation Changes

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---

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---------

Signed-off-by: Alfred Göppel <43101280+alfi0812@users.noreply.github.com>
Co-authored-by: Alfred Göppel <43101280+alfi0812@users.noreply.github.com>

charts/stable/paperless-ngx/docs/how-to.md

@@ -3,44 +3,12 @@ title: Setup Guide
 ---
 
 **Paperless-ngx** is an open-source document management system that transforms your physical documents into a searchable
-online archive. Our app is a simple way to install it on your TrueNAS SCALE server.
-
-## Requirements
-
-- Installation of the TrueCharts Catalog, starting [here](/ and the required operators (Prometheus-Operator and Cloudnative-PG).
-- Paperless-ngx TrueCharts Chart
+online archive.
 
 ## Media Storage
 
 - If you plan on importing documents into Paperless-ngx via a network share, for example from a computer or scanner, it
-  is recommended to set up an `NFS Share` for the shared folder. See the [NFS Shares
-  guide](/ for further information.
-
-## Install Paperless inside TrueNAS SCALE
-
-- Select `Apps` inside the TrueNAS menu.
-- Choose the `Available Applications` tab.
-- Search for `paperless-ngx`.
-
-![Search paperless-ngx](./img/search_paperless-ngx.png)
-
-- Click the `Install` button, you'll be prompted to set up Paperless-ngx. You can leave most options at their default
-  values, but:
-  - Check that the `Timezone` is set correctly for this app.
-  - Provide `PAPERLESS_ADMIN_USER`, `PAPERLESS_ADMIN_PASSWORD` and `PAPERLESS_ADMIN_MAIL`, those will only apply on
-    installation, you can change them later in the app.
-  - Enter the URL your Paperless-ngx will be accessible under in `PAPERLESS_URL` if you plan on making your app
-    accessible from the web.
-- If you have set up Traefik for ingress click `Enable Ingress` and enter your
-  Paperless-ngx domain in the Hosts section.
-
-![Configure paperless-ngx](./img/configure_paperless-ngx.png)
-
-Scroll to the bottom of the window and click `Save`. Once you hit Save Paperless-ngx will be donwloaded and configured.
-
-Switch back to the `Installed Applications` tab, and wait for the application to switch from `Deploying` to `Active`.
-Once `paperless-ngx` shows `Active` you can click its `Open` button to launch to its login screen. Use the initial Admin
-credentials you provided in the configuration to login.
+  is recommended to set up an `NFS Share` for the shared folder.
 
 ### Configure additional OCR languages
 
@@ -58,47 +26,45 @@ information, and note if you need this configured too.
 
 In addition to document uploads via the Web UI, Paperless-ngx can import documents from a [consumption
 directory](https://docs.paperless-ngx.com/usage/#the-consumption-directory). This would allow you to move new documents
-to a shared folder on your TrueNAS SCALE from your computer or directly from your scanner and Paperless-ngx would pick
+to an NFS share from your PC or directly from your scanner and Paperless-ngx would pick
 up the documents from there. See the explanation of the feature linked above and its [configuration
 options](https://docs.paperless-ngx.com/configuration/#consume_config) for more information.
 
-Due to the [Hast Path Validation Safety](/ checks of TrueNAS
-SCALE, using storage for an application on your TrueNAS SCALE and with a network share at the same time requires a bit
-of work. See also the [FAQ](/general/faq/) regarding this
-topic.
-
 This guide will only describe the Paperless-ngx specific options required to set up importing documents from a network
-share. Please refer to Part 1 of the [NFS shares with TrueChart apps guide](/ to prepare
-the NFS share you want to use with Paperless-ngx and note its path. Refer to the [TrueNAS SCALE adding SMB shares
-guide](https://www.truenas.com/docs/scale/scaletutorials/shares/smb/addsmbshares/) to set up network sharing of that
-same folder for Windows computers or scanners offering this functionality.
+share. Please refer to your NAS documentation.
 
 In addition to adding the NFS share to the Paperless-ngx application we need to configure polling for the import folder.
-The NFS Share and TrueNAS SCALE applications do not support the default polling model Paperless-ngx uses.
+The NFS Share do not support the default polling model Paperless-ngx uses.
 
-Once you have set up the NFS share, configure your Paperless-ngx installation as follows:
+## Example Values for Paperless-ngx
 
-- Select `Apps` inside the TrueNAS menu.
-- You should be on the `Installed Applications` tab.
-- Look for your `paperless-ngx` installation.
-- Click the 3-button menu in its box and select `Edit`. This will open the application configuration pane similar to the
-  configuration page on installation.
-  - Scroll down to the `Extra Environment Variables` section and click `Add`.
-  - Enter the name `PAPERLESS_CONSUMER_POLLING` and the value `120`, Paperless-ngx will then look for new documents in
-    the import share every 120 seconds (2 minutes).
-  - Scroll further down to the `To-be consumed Document Storage` section and set `Type of Storage` to `NFS Share`, `NFS Server` to `localhost` and `Path on NFS Server` to the path you configured above.
+```yaml
 
-![Consumer polling configuration for paperless-ngx](./img/consumer_polling_configuration_for_paperless-ngx.png)
-![To-be consumed document storage configuration for paperless-ngx](./img/to-be_consumed_document_storage_configuration_for_paperless-ngx.png)
+workload:
+  main:
+    podSpec:
+      containers:
+        main:
+          env:
+            PAPERLESS_ADMIN_USER: "admin"
+            PAPERLESS_ADMIN_PASSWORD: "changeme"
+            PAPERLESS_ADMIN_MAIL: "admin@admin.com"
+            PAPERLESS_OCR_LANGUAGE: "eng"
+            PAPERLESS_OCR_LANGUAGES: "eng fra deu spa ita"
+            PAPERLESS_CONSUMER_POLLING: 120
+persistence:
+  consume:
+    type: nfs
+    # Example NFS Share
+    server: "192.168.0.10"
+    path: "/mnt/paperless/"
 
-Scroll to the bottom of the window and click `Save`. This will reconfigure and restart Paperless-ngx. Documents added to
-shared folder will be automatically imported by Paperless-ngx. Those options can be changed at any time, documents still
-in the import share will not be imported anymore though.
+```
 
 ### Configure ForwardAuth authentication
 
 Users that have set up [Traefik with ForwardAuth, for example with Authelia](/charts/premium/authelia/setup-guide/)
-can take advantage of authentication through Authelia for their Paperless-ngx installation. Paperless-ngx will honor
+can take advantage of authentication through Authelia for their Paperless-ngx installation. Paperless-ngx will honour
 logins passed from Authelia but not the e-mail address nor the groups of the logged-in user, those will be internal to
 Paperless-ngx and separate from those in Authelia. ForwardAuth can be added to an existing Paperless-ngx installation as
 long as the logins of Authelia users match the logins of Paperless-ngx users.
@@ -108,18 +74,11 @@ This guide will only describe the Paperless-ngx specific options required to set
 
 Once you have set up ForwardAuth in your Traefik installation, configure ForwardAuth in Paperless-ngx as follows:
 
-- Select `Apps` inside the TrueNAS menu.
-- You should be on the `Installed Applications` tab.
-- Look for your `paperless-ngx` installation.
-- Click the 3-button menu in its box and select `Edit`. This will open the application configuration pane similar to the
-  configuration page on installation.
-  - Scroll down to the `Extra Environment Variables` section and click `Add` twice.
-  - Enter the name `PAPERLESS_ENABLE_HTTP_REMOTE_USER` and set its value to true, and `PAPERLESS_LOGOUT_REDIRECT_URL`
-    and your logout URL (`https://auth.mydomain.com/logout` as per the above guide's example domain) in the second box.
+  - Add the following environment variables in the values for paperless.
+  - Enter `PAPERLESS_ENABLE_HTTP_REMOTE_USER` and set its value to true, and 
+  - `PAPERLESS_LOGOUT_REDIRECT_URL` and your logout URL (`https://auth.mydomain.com/logout` as per the above guide's example domain) in the second box.
 
-![ForwardAuth configuration for paperless-ngx](./img/forwardauth_configuration_for_paperless-ngx.png)
-
-Scroll to the bottom of the window and click `Save`. This will reconfigure and restart Paperless-ngx. Authentication to
+This will reconfigure and restart Paperless-ngx. Authentication to
 your Paperless-ngx installation will be handled by Authelia now. Those options can be removed at any time,
 authentication to your Paperless-ngx installation will then revert to the Paperless-ngx built-in authentication
 mechanism.
@@ -128,8 +87,3 @@ mechanism.
 
 Paperless-ngx offers a helpful [best practices guide](https://docs.paperless-ngx.com/usage/#basic-searching) as a
 starting point, as well as a recommended workflow a little further along on that same page.
-
-## Support
-
-- You can reach us using [Discord](https://discord.gg/tVsPTHWTtr) for real-time feedback and support.
-- If you found a bug in our chart, open a [GitHub issue](https://github.com/truecharts/apps/issues/new/choose).