feat: implement automated versioning.

src/components/StatusBar.tsx

@@ -10,7 +10,7 @@ const StatusBar: React.FC = () => {
         {currentStatus}
       </div>
       <div className="status-right">
-        <span>K.G.Studio</span>
+        <span>K.G.Studio (v{__APP_VERSION__})</span>
       </div>
     </div>
   );

src/vite-env.d.ts

@@ -1 +1,3 @@
 /// <reference types="vite/client" />
+
+declare const __APP_VERSION__: string