Extract out WELCOME_TEXT

src/App.tsx

@@ -52,11 +52,12 @@ function navidromeURL(path: string, params: Record<string, string>): string {
   }).toString();
 }
 
+const WELCOME_TEXT = "Scan an album to begin.";
 function App() {
   const [album, setAlbum] = useState<AlbumType | null>(null);
   const [buffer, setBuffer] = useState<string[]>([]);
   const [nowPlaying, play] = useState<number>(0);
-  const [displayText, setDisplayText] = useState("Scan an album to begin.");
+  const [displayText, setDisplayText] = useState(WELCOME_TEXT);
   const [paused, setPaused] = useState(true);
   const [currentTime, setCurrentTime] = useState(0);
   const [duration, setDuration] = useState(0);
@@ -146,7 +147,7 @@ function App() {
       });
       if (searchResponse.count === 0) {
         setDisplayText("No album found for barcode: " + barcode);
-        setTimeout(() => setDisplayText("Scan an album to begin."), 3000);
+        setTimeout(() => setDisplayText(WELCOME_TEXT), 3000);
         return;
       }
       mbRelease = searchResponse.releases[0];