feat(jts3servermod ): Move jts3servermod to stable & add Upstream Documentation Link (#18941)

**Description**
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Please include a summary of the change and which issue is fixed. Please
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⚒️ Added Upstream Documentation/Setup link
⚒️ Finished Testing
⚒️ Bumped Version to 1.0.0 because of Stable move

**⚙️ Type of change**

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

**🧪 How Has This Been Tested?**
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Please describe the tests that you ran to verify your changes. Provide
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Running Chart in Incubator Train. 

**📃 Notes:**
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**✔️ Checklist:**

- [x] ⚖️ My code follows the style guidelines of this project
- [x] 👀 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
- [x] ⬆️ I increased versions for any altered app according to semantic
versioning

**➕ App addition**

If this PR is an app addition please make sure you have done the
following.

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

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charts/stable/jts3servermod/Chart.yaml

@@ -34,5 +34,7 @@ sources:
   - https://github.com/galexrt/container-jts3servermod
   - https://github.com/truecharts/charts/tree/master/charts/incubator/jts3servermod
   - https://ghcr.io/galexrt/jts3servermod
+  - https://www.stefan1200.de/forum/index.php?PHPSESSID=r0m44032akt9jk7903ru9ejv2f&topic=2.0
+  - https://www.stefan1200.de/documentation/jts3servermod/readme.html
 type: application
-version: 0.0.3
+version: 1.0.0

charts/stable/jts3servermod/docs/installation_notes.md

@@ -0,0 +1,12 @@
+---
+title: Installation Notes
+---
+
+
+Please
+[Upstream-Documentation](https://www.stefan1200.de/documentation/jts3servermod/readme.html)
+have a look at the upstream documentation on how to use the Bot.
+
+---
+
+Dont forget to add the Cluster-Ip Range to your IP-Whitelist in Teamspeak3