update

src/index.html

@@ -55,7 +55,12 @@
       </form>
       <div id="result"></div>
     </main>
-
+    <footer class="mt-auto mb-2 text-center text-xs text-gray-500 opacity-70">
+      Enjoying this?&nbsp;
+      <a href="https://example.com/tip" class="underline hover:text-purple-400">Leave a tip!</a>
+      &nbsp;•&nbsp;
+      <a href="https://github.com/example" class="underline hover:text-purple-400" target="_blank" rel="noopener">GitHub</a>
+    </footer>
     <script type="module">
       import { nip19, SimplePool } from "https://esm.sh/[email protected]?bundle";