chore(portainer-ce): add docs (#3968)

* chore(portainer-ce): add docs

* add how to add repos

charts/stable/portainer-ce/Chart.yaml

@@ -19,7 +19,7 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/portainer-ce
   - https://docs.portainer.io/v/ce-2.11/start/install/server/kubernetes/baremetal
   - https://hub.docker.com/r/portainer/portainer-ce
-version: 1.0.0
+version: 1.0.1
 annotations:
   truecharts.org/catagories: |
     - management

charts/stable/portainer-ce/docs/installation-notes.md

@@ -0,0 +1,35 @@
+# Installation Notes
+
+:::danger
+
+Actions done within `Portainer-CE` can be destructive
+for your apps/charts and your data, if you don't know what
+are you doing.
+
+:::
+
+:::caution
+
+`Portainer-CE` is designed to work only with Helm Charts / Kubernetes.
+You **CANNOT** use it to run docker, docker stacks or docker compose
+
+:::
+
+## Adding TrueCharts Helm repository
+
+Navigate to `Home` -> `local`
+
+- Click `Helm` on the sidebar
+- Type `https://charts.truecharts.org` under the `Additional Repositories`
+- Click `Add repository`
+
+![add_repo](img/add_repo.png)
+
+## Replacing default Helm repository with TrueCharts Helm repository
+
+Navigate to `Settings` on the sidebar
+
+- Under `Helm Repository` replace `URL` with `https://charts.truecharts.org`
+- Click `Save settings`
+
+![replace_repo](img/replace_repo.png)