aded aria-label to file input

Author: HHMagnus

index.html

@@ -162,7 +162,7 @@ <h1>Offline PDF Merger</h1>
     </ul>
     <p>Add files to merge:</p>
     <div class="drop-area">
-      <input type="file" id="fileInput" accept=".pdf" multiple />
+      <input type="file" id="fileInput" aria-label="PDF files to merge" accept=".pdf" multiple />
       <span>Drop files here or click to upload</span>
     </div>