fix: add id to textarea (#51)

Author: jfdev001

src/lingua_loop/templates/index.html

@@ -115,7 +115,7 @@ <h1>LinguaLoop</h1>
 
         <!-- User transcription area -->
         <div>
-            <textarea spellcheck=false "userTextArea" placeholder="Type what you hear..." rows="5" cols="60"></textarea>
+            <textarea spellcheck=false id="userTextArea" placeholder="Type what you hear..." rows="5" cols="60"></textarea>
             <button id="scoreBtn">Score</button>
             <div id="hintBox" style="margin-top: 8px; color: #666; font-size: 0.8em;">
                 Press <strong>Ctrl + Shift + L</strong> to automatically snap <br>to the beginning of the transcription