feat: add global shortcut functionality and update dependencies

- Introduced global shortcut management in the Tauri application, allowing users to set, change, and unregister shortcuts.
- Added new dependencies for global shortcut functionality in Cargo.toml and updated package.json.
- Enhanced the default capabilities to include global shortcut permissions.
- Refactored the main application logic to integrate the new shortcut features.

frontend/src-tauri/capabilities/default.json

@@ -7,6 +7,10 @@
         "core:default",
         "opener:default",
         "dialog:default",
-        "core:window:allow-start-dragging"
+        "core:window:allow-start-dragging",
+        "global-shortcut:allow-is-registered",
+        "global-shortcut:allow-register",
+        "global-shortcut:allow-unregister",
+        "global-shortcut:allow-unregister-all"
     ]
 }