Change all GitHub references to my Gitea site.

pages/helpers/footer.php

@@ -15,7 +15,7 @@
 		<div class="row">
 			<div class="col-3"></div>
 			<h6 class="col-3 center">
-				<a href="https://github.com/Hyperling/www/blob/main/LICENSE"
+				<a href="https://git.hyperling.com/me/nodejs-website/src/branch/main/LICENSE"
 					target="_blank" rel="noopener noreferrer"
 				>This website is free software! Click here to learn more.</a>
 			</h6>