Huge role refactoring/cleanup. Other commits will propably follow. Because some bugs will exist. Still important for longrun and also for auto docs/help/slideshow generation

roles/web-app-matrix/Installation.md

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+# Installation
+
+## Bridges
+
+### Mautrix 
+Contact one of the following bots for more information:
+
+- @signalbot:yourdomain.tld
+- @telegrambot:yourdomain.tld
+- @whatsappbot:yourdomain.tld
+- @slackbot:yourdomain.tld
+
+#### Slack
+For login with Token checkout [this guide](https://docs.mau.fi/bridges/go/slack/authentication.html).
+
+### ChatGPT
+- Create API Token: https://platform.openai.com/api-keys
+- Set ``applications[application_id].credentials.chatgpt_bridge_access_token`` 
+
+## Debug:
+- https://federationtester.matrix.org/