- Added MediaSeeder to DatabaseSeeder for improved data seeding.
- Updated 404 error page to use localized string for "Page not found" and added links for navigation.
- Added new translation for "Page not found" in tk.json.
- Removed unnecessary blank lines in various files to enhance code clarity.
- Updated comments for consistency and clarity across multiple classes and methods.
- Adjusted spacing in test files for better formatting and readability.
