Add link to paste in 'about' dialog

index.html

@@ -145,6 +145,10 @@ npm/microtip@0.2.2/microtip.min.css
                     <br />
                     If you want to know more, you can find more information on
                     <a href="https://github.com/bokub/nopaste" rel="noopener" target="_blank" class="pink">Github</a>
+                    <div class="additional-info">
+                        Note: NoPaste is an improved version of Topaz's
+                        <a href="https://topaz.github.io/paste" rel="noopener" target="_blank">Paste</a>
+                    </div>
                 </div>
             </div>
         </div>

style.css

@@ -101,6 +101,12 @@ h1 {
     overflow-y: auto;
     box-sizing: border-box;
 }
+.modal-content .additional-info {
+    opacity: 0.75;
+    font-style: italic;
+    margin-top: 15px;
+    font-size: 0.95em;
+}
 .modal-overlay {
     position: fixed;
     background: rgba(0, 0, 0, 0.2);

sw.js

@@ -1,4 +1,4 @@
-const PRECACHE = 'precache-20201121b';
+const PRECACHE = 'precache-20201121c';
 const RUNTIME = 'runtime';
 
 // A list of local resources we always want to be cached.