Add mutiny to community integrations

frontend/src/app/components/about/about.component.html

@@ -284,6 +284,10 @@
         <img class="image" src="/resources/profile/boltz.svg" />
         <span>Boltz</span>
       </a>
+      <a href="https://github.com/MutinyWallet" target="_blank" title="Mutiny">
+        <img class="image not-rounded" src="/resources/profile/mutiny.svg" />
+        <span>Mutiny</span>
+      </a>
     </div>
   </div>