feat: add command palette functionality and shortcuts

- Implemented command palette with keyboard shortcut (⌘K) for opening.
- Added commands for opening, closing, setting query, and selecting items in the command palette.
- Created tests for command palette commands and input handling.
- Enhanced layer actions with functions for adding, grouping, and deleting layers.
- Updated UI components to integrate command palette and shortcuts.

commands/ids.ts

@@ -55,4 +55,8 @@ export const commandIds = {
   viewportFitArtboard: "viewport.fitArtboard",
   historyUndo: "history.undo",
   historyRedo: "history.redo",
+  commandPaletteOpen: "commandPalette.open",
+  commandPaletteClose: "commandPalette.close",
+  commandPaletteSetQuery: "commandPalette.setQuery",
+  commandPaletteSetSelectedIndex: "commandPalette.setSelectedIndex",
 } as const;