Add ability to rename files and folders through the context menu:
- Add rename_path Tauri command in backend
- Add renamePath function to editor store that updates open tabs
- Add rename option to context menu with pencil icon
- Update InputDialog to support initial value for rename operations
- Add Tauri backend commands: create_file, create_directory, delete_file, delete_directory
- Add editor store functions for create/delete with auto-refresh
- Add FileContextMenu component with right-click support
- Add InputDialog component for file/folder name input
- Add ConfirmDialog component for delete confirmation
- Add Ctrl+N keyboard shortcut for new file
- Update keyboard shortcuts modal with new shortcuts
- Auto-close tabs when their files are deleted
- Auto-refresh file tree after create/delete operations
hikari