Added label to case sensitivity checkbox.

Author: NateTheGreat68

src/popup/popup.html

@@ -85,7 +85,7 @@
       <button class="button" id="prev">Prev</button>
       <button class="button" id="next">Next</button>
       <br>
-      Case Insensitive <input type="checkbox" id="case-insensitive">
+      <label>Case Insensitive <input type="checkbox" id="case-insensitive"></label>
 
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     </div>