Moved to Angular v20 and Tailwind v4 plus all related dependencies

Renamed Docker directory.

Also serving static files from FastAPI.

overlord/tsconfig.app.json

@@ -5,10 +5,6 @@
     "outDir": "../frontend",
     "types": []
   },
-  "files": [
-    "src/main.ts",
-  ],
-  "include": [
-    "src/**/*.d.ts"
-  ]
+  "files": ["src/main.ts"],
+  "include": ["src/**/*.d.ts"]
 }