initial implementation of link dialog (buggy and feature incomplete)

src/templates/app.html

@@ -84,6 +84,22 @@
         </select>
     </div>
 
+    <div id="insertLinkDialog" title="Recent notes" style="display: none;">
+      <form>
+        <div class="form-group">
+          <label for="noteAutocomplete">Link to note</label>
+          <input id="noteAutocomplete" style="width: 100%;">
+        </div>
+
+        <div class="form-group">
+          <label for="linkTitle">Link title</label>
+          <input id="linkTitle" style="width: 100%;">
+        </div>
+
+        <button id="addLinkButton" class="btn btn-sm">Add link</button>
+      </form>
+    </div>
+
     <script type="text/javascript">
       const baseUrl = '';
     </script>