fix(docs): Move guides around (#32224)

**Description**
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⚒️ Fixes  # <!--(issue)-->

**⚙️ Type of change**

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

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**✔️ Checklist:**

- [ ] ⚖️ My code follows the style guidelines of this project
- [ ] 👀 I have performed a self-review of my own code
- [ ] #️⃣ I have commented my code, particularly in hard-to-understand
areas
- [ ] 📄 I have made corresponding changes to the documentation
- [ ] ⚠️ My changes generate no new warnings
- [ ] 🧪 I have added tests to this description that prove my fix is
effective or that my feature works
- [ ] ⬆️ I increased versions for any altered app according to semantic
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- [ ] I made sure the title starts with `feat(chart-name):`,
`fix(chart-name):` or `chore(chart-name):`

**➕ App addition**

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following.

- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

---

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---------

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

website/src/content/docs/guides/addons/code-server.md

@@ -1,5 +1,5 @@
 ---
-title: CodeServer Addon
+title: CodeServer
 ---
 
 You can add a CodeServer addon to our charts to modify files of the running chart inside your browser. You can choose between exposing a port or adding an ingress to it.

website/src/content/docs/guides/addons/vpn-setup.md

@@ -1,5 +1,5 @@
 ---
-title: Setting up VPN
+title: Gluetun VPN
 ---
 
 ## Gluetun VPN Addon Setup Guide

website/src/content/docs/guides/backup & restore/cnpg-backup-restore.md

@@ -1,11 +1,7 @@
 ---
-title: CNPG Backups and Restores on Helm Platforms
+title: CNPG
 ---
 
-## Requirements
-
-### S3 Provider Setup
-
 ### Adding Credentials
 
 You can add the credentials by copy-pasting the [Full Examples](/common/credentials#full-examples) section in the common-docs and adapting those accordingly

website/src/content/docs/guides/backup & restore/volsync-backup-restore.md

@@ -1,11 +1,7 @@
 ---
-title: VolSync Backups and Restores on Helm Platforms
+title: VolSync
 ---
 
-## Requirements
-
-### S3 Provider Setup
-
 ### Adding Credentials
 
 You can add the credentials by copy-pasting the [Full Examples](/common/credentials#full-examples) section in the common-docs and adapting those accordingly