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-nextcloud/docs/Applications.md

@@ -0,0 +1,32 @@
+# Nextcloud Applications
+
+Details on specific apps like Cospend, including related SQL queries and debugging tips.
+
+## receive Plugin Information
+To receive the relevant configuration options for a plugin type:
+```bash
+docker compose exec -u www-data application php occ config:list oidc_login
+```
+
+## App Relevant Tables 🗃️
+
+- `oc_appconfig`
+- `oc_migrations`
+
+## LDAP
+
+## Cospend 
+
+### Relevant SQL Commands for Cospend
+Debugguging Migrations: 
+
+https://github.com/julien-nc/cospend-nc/issues/325
+
+```sql
+-- Show all Cospend Tables
+SHOW TABLES where Tables_in_nextcloud LIKE "%cospend%";
+-- Show Cospend Configuration
+SELECT * FROM `oc_appconfig` WHERE appid LIKE "%cospend%";
+-- Show Cospend Database Migrations 
+SELECT * FROM `oc_migrations` WHERE app LIKE "%cospend%";
+```