* feat: Add settings modal with GitHub PAT and filter toggle
- Add GeneralSettingsModal with General and GitHub tabs
- Create GitHub PAT input field that saves to .env as GITHUB_TOKEN
- Add animated toggle component for SAVE_FILTER setting
- Create API endpoints for settings management
- Add Input and Toggle UI components
- Implement smooth animations for toggle interactions
- Add proper error handling and user feedback
* feat: Add filter persistence with settings integration
- Add filter persistence system that saves user filter preferences to .env
- Create FILTERS variable in .env to store complete filter state as JSON
- Add SAVE_FILTER toggle in settings to enable/disable persistence
- Implement auto-save functionality with 500ms debounce
- Add loading states and visual feedback for filter restoration
- Create API endpoints for managing saved filters
- Add filter management UI in settings modal
- Support for search query, type filters, sort order, and updatable status
- Seamless integration across all script tabs (Available, Downloaded, Installed)
- Auto-clear saved filters when persistence is disabled
