save button added

Backend/mocked-services/src/main/resources/static/html/mock.html

@@ -309,9 +309,9 @@
             <div>Unsaved data<i class="r-exclamation"></i></div>
             <button>&times;</button>
         </div>
-        <div class="body">You haven't saved your message! Any changes will be lost.<br>Do you want to continue?</div>
+        <div class="body">You haven't saved your message!<br> Do you want to save it?</div>
         <div class="function">
-            <button>Yes</button>
+            <button d="btn-save">Save</button>
             <button>No</button>
         </div>
     </div>