Add dprint formatter

src/digicode.ts

@@ -1,4 +1,4 @@
-import './style.css'
+import './style.css';
 
 const code = '1234';
 
@@ -16,12 +16,11 @@ function composeDigit(digit: number) {
   display.innerText = output;
   if (!code.startsWith(output)) {
     light.classList.add('is-error');
-    setTimeout(resetCode, 1000)
+    setTimeout(resetCode, 1000);
     return;
   }
   if (code === output) {
     light.classList.add('is-success');
-    return;
   }
 }