refactor: Refactor file headers and add Psalm suppressions

- Added Psalm suppression annotations to multiple controller classes
- Added PHPDoc comment blocks to seeders and factories
- Added comments to indicate unused classes and methods
- Removed unused annotations and imports

app/Http/Middleware/VerifyMicropubToken.php

@@ -12,6 +12,8 @@ class VerifyMicropubToken
 {
     /**
      * Handle an incoming request.
+     *
+     * @psalm-suppress PossiblyUnusedMethod
      */
     public function handle(Request $request, Closure $next): Response
     {