Plume has moved away from github

Cf description of the project page

templates/home.html

@@ -106,7 +106,7 @@ <h2>Getting started</h2>
   <p>There are also some real world examples that can be looked at for reference:</p>
 
   <ul>
-    <li><a href="https://github.com/Plume-org/Plume">Plume, a Federated blogging app (Rocket)</a></li>
+    <li><a href="https://git.joinplu.me/Plume/Plume">Plume, a Federated blogging app (Rocket)</a></li>
     <li><a href="https://github.com/jetli/rust-yew-realworld-example-app">Yew realworld app (WebAssembly)</a></li>
     <li><a href="https://github.com/seed-rs/seed-rs-realworld">Seed realworld app (WebAssembly)</a></li>
     <li><a href="https://github.com/LemmyNet/lemmy">Lemmy, a federated alternative to Reddit (actix-web)</a></li>