Remove Dawarich app and related files

Deleted Dawarich install script, container script, and JSON metadata, effectively removing support for the Dawarich application from the repository. Added a new GitHub Actions workflow to automate updating GitHub version information for remaining apps.

frontend/public/json/dawarich.json

@@ -1,40 +0,0 @@
-{
-    "name": "Dawarich",
-    "slug": "dawarich",
-    "categories": [
-        9
-    ],
-    "date_created": "2026-01-16",
-    "type": "ct",
-    "updateable": true,
-    "privileged": false,
-    "interface_port": 3000,
-    "documentation": "https://dawarich.app/docs",
-    "website": "https://dawarich.app/",
-    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/dawarich.webp",
-    "config_path": "/opt/dawarich/.env",
-    "description": "Dawarich is a self-hosted alternative to Google Timeline (Google Maps Location History). It allows you to import your location history from Google Maps Timeline and Owntracks, view it on a map, and analyze your location data with statistics and visualizations.",
-    "install_methods": [
-        {
-            "type": "default",
-            "script": "ct/dawarich.sh",
-            "resources": {
-                "cpu": 4,
-                "ram": 4096,
-                "hdd": 15,
-                "os": "Debian",
-                "version": "13"
-            }
-        }
-    ],
-    "default_credentials": {
-        "username": "demo@dawarich.app",
-        "password": "password"
-    },
-    "notes": [
-        {
-            "text": "Default credentials: demo@dawarich.app / password - Change after first login!",
-            "type": "warning"
-        }
-    ]
-}