Add notifications (and deleting of answers)

index.html

@@ -68,6 +68,10 @@
                         </fieldset>
                     </form>
                 </div>
+                <div id="database-buttons">
+                    <input type='button' id='btn-delete-databases' value='Delete all saved answers'>
+                    <input type='button' id='btn-delete-current' value='Reset current packet answers'>
+                </div>
                 <div id="packet-list">
                     <p>Available Packets:</p>
                 </div>
@@ -111,6 +115,7 @@
     </div>
 
     <script src="lib/jquery-3.4.1.min.js" type="text/javascript"></script>
+    <script src="lib/notify.min.js" type="text/javascript"></script>
     <script src="lib/hammer.js"></script>
     <script src="lib/cornerstone.js"></script>
     <script src="lib/dicomParser.min.js"></script>