chore: clean bbb docs

docs/installation/.pages

@@ -2,5 +2,6 @@ nav:
   - Basis: index.md
   - Single-Sign-On: authentik.md
   - Tools:
+    - BigBlueButton: bigbluebutton.md
     - TODO:
       - ...

docs/installation/bigbluebutton.md

@@ -3,9 +3,25 @@ BigBlueButton
 
 # Big Blue Button
 
-https://github.com/bigbluebutton/docker/
+## Installation
 
-### Nextcloud Konfiguration anpassen:
+Wir verwenden das [BBB Docker](https://github.com/bigbluebutton/docker/) Setup.
+
+```
+git clone --recurse-submodules https://github.com/bigbluebutton/docker.git bbb-docker
+cd bbb-docker
+git checkout develop
+./scripts/setup
+nano .env
+./scripts/generate-compose
+docker-compose up -d
+```
+
+### Admin Account erstellen
+
+`docker-compose exec greenlight bundle exec rake admin:create`
+
+### Nextcloud App Konfiguration anpassen:
 
 ```
 abra app config <nextcloud_domain>
@@ -14,7 +30,6 @@ abra app secret insert <nextcloud_domain> bbb_secret v1 <bbb_secret>
 abra app cmd <nextcloud_domain> app install_bbb
 ```
 
-
 ### Telefoneinwahl
 
 Account mit Rufnummer bei https://app.sipgate.com
@@ -22,25 +37,7 @@ Account mit Rufnummer bei https://app.sipgate.com
 `./conf/sip_profiles`
 im .env noch: `SIP_IP_ALLOWLIST`, `WELCOME_FOOTER`
 
-### Networking
 
-https://docs.bigbluebutton.org/admin/configure-firewall.html
+## weitere Ressourcen
 
-### docker setup
+* [Bandbreiten Rechner](https://bbb-hilfe.de/bandbreitenrechner-fuer-bigbluebutton/)
-
-https://github.com/bigbluebutton/docker
-https://docs.bigbluebutton.org/admin/configure-firewall.html
-
-
----
-changing smth:
-```
-vim .env
-./scripts/generate-compose
-docker-compose up -d
-```
-
-
-### Bandbreiten Rechner
-
-https://bbb-hilfe.de/bandbreitenrechner-fuer-bigbluebutton/