nav fixes

wiki-rtd/docs/wiki_community/discord-matrix.md

@@ -1,14 +1,9 @@
-# Discord
+# Discord & Matrix
 
-The Discord can be found here:<br>
 [Discord](https://discord.gg/WDc5C9YWMx)
+[Matrix](https://matrix.to/#/#retrodeck:matrix.org)<br/>
 
-## Information
-
-Discord is a primary communication hub for the RetroDECK project.
-
-
-## Discord Rules
+## Discord / Matrix Rules
 
 The RetroDECK community spans worldwide and we in the team are grateful for that. We want everyone to feel welcome here no matter who you are, with that said:
 

wiki-rtd/mkdocs.yml

@@ -95,7 +95,7 @@ nav:
   - Development 🧪:
     - What are you working on?: wiki_development/general/what-are-you-working.on.md
     - Social Rules ❤️:
-      - Discord/Matrix: wiki_community/discord.md
+      - Discord/Matrix: wiki_community/discord-matrix.md
       - Lemmy/Reddit: wiki_community/lemmy-reddit.md
 
     - Credits & Donations 📖: