feat(auth): enhance user registration with names and improve UI

- Add first_name and last_name fields to User model with validations
- Configure Devise registrations controller to accept name parameters
- Update registration form with name fields and improved styling
- Replace Twitter Bootstrap pagination with custom Tailwind components
- Add French locale translations for pagination and models
- Update header styling with responsive design improvements
- Add EditorConfig for consistent code formatting
- Fix logout controller URL handling and improve JavaScript
- Update seed data and test fixtures with name attributes
- Add comprehensive model tests for name validations
- Add test.sh script for easier test execution

💘 Generated with Crush
Co-Authored-By: Crush <crush@charm.land>

test/fixtures/users.yml

@@ -3,7 +3,11 @@
 one:
   email: user1@example.com
   encrypted_password: <%= Devise::Encryptor.digest(User, 'password123') %>
+  last_name: Trump
+  first_name: Donald
 
 two:
   email: user2@example.com
   encrypted_password: <%= Devise::Encryptor.digest(User, 'password123') %>
+  last_name: Obama
+  first_name: Barack