🚀 Major Update: DataTables v2.0 Migration

This PR modernizes the yii2-datatables extension by upgrading to DataTables v2.0 and migrating from deprecated Bower assets to NPM assets, ensuring better long-term maintainability and compatibility.

⚠️ Breaking Changes

• PHP Version: Minimum PHP version upgraded from >=5.5.0 to >=7.4.0
• Yii2 Version: Minimum Yii2 version upgraded from ~2.0.13 to ~2.0.50
• DataTables Version: Upgraded from ~1.10.15 to ^2.0
• Asset Management: Migrated from Bower assets (bower-asset/*) to NPM assets (npm-asset/*)

📦 Updated Dependencies

➕ Added Dependencies:

• npm-asset/datatables.net: ^2.0 (Core DataTables)
• npm-asset/datatables.net-dt: ^2.0 (Default styling)
• npm-asset/datatables.net-jqui: ^2.0 (jQuery UI integration)
• npm-asset/datatables.net-bs: ^2.0 (Bootstrap 3 integration)
• npm-asset/datatables.net-bs4: ^2.0 (Bootstrap 4 integration)
• npm-asset/datatables.net-bs5: ^2.0 (Bootstrap 5 integration)
• npm-asset/datatables.net-plugins: ^2.0 (Additional plugins)

➖ Removed Dependencies:

• bower-asset/datatables (~1.10.15)
• bower-asset/datatables-plugins (~1.10.15)
• bower-asset/datatables.net-bs4 (~1.10.15)

🛠️ Technical Changes

Asset Bundle Updates:

1. DataTableBaseAsset.php:

   • Updated source path from @bower/datatables/media to @npm/datatables.net
   • Fixed JavaScript file reference for DataTables v2.0 naming convention

2. DataTableBootstrapAsset.php:

   • Updated all Bootstrap integration source paths to use NPM assets
   • Fixed file path separators (changed \ to / for cross-platform compatibility)
   • Updated CSS/JS file references for all Bootstrap versions (3, 4, 5)

3. DataTableDefaultAsset.php:

   • Updated source path to @npm/datatables.net-dt
   • Added proper initialization with CSS file references
   • Removed duplicate JS references (handled by base asset)

4. DataTableJuiAsset.php:

   • Updated source path to @npm/datatables.net-jqui
   • Fixed file references for jQuery UI integration

5. DataTableAsset.php:

   • Fixed missing default case in styling switch
   • Added proper DefaultAsset dependency for default styling

6. DataTableFaAsset.php:

   • Added missing sourcePath for FontAwesome integration

Configuration Cleanup:

• Removed deprecated fxp-asset configuration block from composer.json

📚 Documentation Updates

• ✅ CHANGELOG.md: Added comprehensive v2.0.0 changelog entry
• ✅ README.md: Updated installation instructions and system requirements
• ✅ MIGRATION.md: Created detailed migration guide for users upgrading from v1.x

✨ Benefits

• 🔮 Future-Proof: Uses actively maintained NPM packages instead of deprecated Bower
• ⚡ Performance: DataTables v2.0 includes performance improvements and bug fixes
• 🔒 Security: Updated to modern PHP version with security improvements
• 🔗 Compatibility: Better compatibility with modern Yii2 installations
• 🧹 Maintenance: Simplified asset management without Bower dependencies

🧪 Testing Checklist

• All styling options (Default, Bootstrap 3/4/5, jQuery UI)
• Asset bundle loading and file paths
• Cross-platform compatibility (Windows/Linux/Mac)
• Asset file references and dependencies

📋 Migration Guide

Users updating to this version should:

1. Ensure PHP >= 7.4.0 and Yii2 >= 2.0.50
2. Run composer update to get updated dependencies
3. Clear asset cache: php yii asset/clear
4. Follow the detailed Migration Guide for step-by-step instructions
5. Test DataTable functionality in their applications

🏷️ Version Impact

This should be released as a major version (v2.0.0) due to breaking changes in minimum requirements.

🔗 Related Issues

• Resolves dependency on deprecated Bower packages
• Modernizes DataTables to latest v2.0 with performance improvements
• Ensures compatibility with modern PHP and Yii2 versions

⚠️ IMPORTANT: This is a major version upgrade with breaking changes. Please review the Migration Guide before merging.