Footer: Change defunct pi link.

src/en/template/footer.html

@@ -1,3 +1,3 @@
 <p>Spotted an error, want to add your board's pinout? <a href="https://github.com/pinout-xyz/Pinout.xyz">Contribute to Pinout.xyz at GitHub</a></p>
-<p>Originally part of <a href="http://pi.gadgetoid.com">pi.gadgetoid.com</a>. Maintained by <a href="https://fosstodon.org/@gadgetoid">@[email protected]</a>.</p>
+<p>Part of <a href="https://www.gadgetoid.com">gadgetoid.com</a>. Maintained by <a href="https://fosstodon.org/@gadgetoid">@[email protected]</a>.</p>
 <p>Help make Pinout.xyz better- please sponsor me at <a href="https://ko-fi.com/gadgetoid">Ko-Fi</a>, <a href="https://github.com/sponsors/Gadgetoid">GitHub</a> or <a href="https://www.patreon.com/gadgetoid">Patreon</a></p>