Added Preload for Web

- Bluesky logo in the center when a new visitor or shift+refresh by browser client

src/App.web.tsx

@@ -86,9 +86,15 @@ function InnerApp() {
 
 function App() {
   const [isReady, setReady] = useState(false)
-
+  
   React.useEffect(() => {
-    initPersistedState().then(() => setReady(true))
+    initPersistedState().then(() => {
+      setReady(true)
+      
+      const preloadElement = document.getElementById('preload');
+      preloadElement.remove();
+    })
+    
   }, [])
 
   if (!isReady) {