Moved to Angular v20 and Tailwind v4 plus all related dependencies

Renamed Docker directory.

Also serving static files from FastAPI.

overlord/src/app/auth/auth-guard.service.ts

@@ -1,8 +1,6 @@
 import { inject } from '@angular/core';
-import { CanActivateFn } from '@angular/router';
-import { Router } from '@angular/router';
-
 import { MatSnackBar } from '@angular/material/snack-bar';
+import { CanActivateFn, Router } from '@angular/router';
 
 import { AuthService } from './auth.service';