Move package "de.grimsi.gameyfin" to "org.gameyfin"

app/src/main/frontend/index.tsx

@@ -0,0 +1,13 @@
+import {createRoot} from 'react-dom/client';
+import {StrictMode} from "react";
+import {RouterProvider} from "react-router";
+import {router} from './routes';
+
+const container = document.getElementById('outlet')!;
+const root = createRoot(container);
+
+root.render(
+    <StrictMode>
+        <RouterProvider router={router}/>
+    </StrictMode>
+);