feat: Add interactive language selector with improved localization support

[AlirezaNikkhah1375]

🌐 Interactive Language Selector & Localization Improvements

This PR introduces a comprehensive language selection system and fixes critical localization issues for better user experience across different languages.

✨ New Features

• Interactive Language Selector: Added a beautiful dropdown language selector in the preloader screen

  • Supports 10 languages: Auto-detect, English, French, German, Persian, Portuguese, Portuguese (BR), Spanish, Traditional Chinese, and Turkish
  • Modern UI with flag emojis, hover effects, and smooth animations
  • Positioned in the top-right corner for easy access
  • Auto-detects user's browser language by default

• Enhanced Localization System: Improved the initializeTextStrings() function to handle forced language selection

  • Better fallback mechanisms for unsupported languages
  • Dynamic text updates when language is changed

🐛 Bug Fixes

• Fixed undefined textStrings on local development: Resolved critical issue where textStrings was undefined during local development, causing crashes
• Improved language detection: Better handling of browser language codes and regional variants

🎨 UI/UX Improvements

• Modern Design: Clean, accessible language selector with:

  • Subtle drop shadows and gradients
  • Smooth hover animations
  • Professional styling that matches the game's aesthetic
  • Responsive design that works on different screen sizes

• Better User Experience:

  • Instant language switching without page reload
  • Visual feedback on selection
  • Clear language identification with flags and native names

🔧 Technical Details

Files Modified:

• js/scenes/Scene_Preloader.js (+251 lines): Complete language selector implementation
• js/textStrings.js (+46 lines): Enhanced localization function with forced language support

Key Implementation Features:

• PIXI.js-based UI components for seamless integration
• Event-driven language switching
• Memory-efficient dropdown management
• Cross-platform compatibility (mouse and touch events)

🧪 Testing

• Tested across multiple browsers and devices
• Verified language switching functionality
• Confirmed no performance impact on game loading
• Validated accessibility features

📱 Compatibility

• Works on desktop and mobile devices
• Compatible with all existing language translations
• Maintains backward compatibility with existing localization system
• No breaking changes to existing functionality

This enhancement significantly improves the accessibility and user experience for international players while maintaining the game's performance and aesthetic integrity.