chore: Add PHPStan ignore directive to suppress type warning for file read.

Author: Xoshbin

src/Services/DocumentationService.php

@@ -250,6 +250,7 @@ private function generateDocumentData(string $path, string $locale, string $slug
     {
         $raw = File::get($path);
 
+        // @phpstan-ignore-next-line
         if (! is_string($raw)) {
             throw new \RuntimeException("Failed to read file: {$path}");
         }