Initial release of Brammo/Auth plugin for CakePHP 5.x

Added

• Initial release of Brammo/Auth plugin for CakePHP 5.x
• Complete authentication system with login/logout functionality
• User authentication using CakePHP Authentication library
• Configurable authentication routes (/login, /logout)
• Flexible configuration system via config/auth.php
• Support for multiple authentication methods:
  • Session-based authentication
  • Form-based authentication
  • Cookie-based authentication (Remember Me)
• Password hashing with bcrypt (default)
• Support for legacy password hashers (fallback configuration)
• Password rehashing on login when needed
• Custom login redirect support (query parameter or configuration)
• Plugin bootstrap with automatic configuration loading
• User entity with:
  • Hidden password field in JSON output
  • Mass-assignable fields (email, password, name)
  • Proper field accessibility
• UsersTable with:
  • Email validation
  • Unique email constraint
  • Timestamp behavior
  • Validation rules for name, email, password
• UserController with:
  • Login action with redirect support
  • Logout action
  • Flash messages for authentication errors
  • Unauthenticated access control
• AuthenticationServiceProvider for service configuration
• Database migrations:
  • CreateUsers migration (20231101000000)
  • Users table with id, name, email, password, created, modified
  • Unique index on email field
• Database seeds:
  • UsersSeed with sample admin and test users
• Comprehensive test suite with 37+ test cases:
  • PluginTest - Plugin bootstrap and routes
  • AuthenticationServiceProviderTest - Service configuration
  • UserControllerTest - Login/logout functionality
  • UserTest - Entity behavior
  • UsersTableTest - Table operations and validation
• Full PHPUnit configuration
• Test fixtures for Users table
• Test application structure for integration testing
• Code style checking with CakePHP CodeSniffer
• Comprehensive documentation:
  • Installation and setup guide
  • Configuration examples
  • Usage examples
  • API documentation
  • Troubleshooting guide
  • Migration documentation