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-deprecated/Administration.md

@@ -0,0 +1,9 @@
+# Administration
+
+## DANGER: Manuell deativation and deletion
+Be carefull what you do. This code you can execute:
+```
+systemctl list-units --type=service | grep 'matrix' | awk '{print $1}' | xargs -I {} systemctl disable {} &&
+systemctl list-units --type=service | grep 'matrix' | awk '{print $1}' | xargs -I {} systemctl stop {} &&
+rm -rv /matrix/
+```