packages/stop-using-nix-env: add footer with link to repo

packages/websites/stop-using-nix-env/project.nix

@@ -4,10 +4,12 @@
   packages.stop-using-nix-env = let
     site = with pkgs; stdenvNoCC.mkDerivation rec {
       name = "stop-using-nix-env";
-      version = "1.1.0";
+      version = "1.1.1";
       src = ./src;
       buildCommand = ''
         install -Dm644 $src/* -t $out/share/www/${name}
+        substituteInPlace $out/share/www/${name}/index.html \
+          --replace '<!-- VERSION -->' 'Version ${version} |'
       '';
       passthru = {
         webroot = "${site}/share/www/${name}";

packages/websites/stop-using-nix-env/src/index.html

@@ -229,5 +229,10 @@
     other than nixpkgs.
   </p>
   <div style="height: 20vh"></div>
+  <p>
+    <!-- VERSION -->
+    This is a living document. |
+    <a href="https://github.com/privatevoid-net/privatevoid-infrastructure/tree/master/packages/websites/stop-using-nix-env">Contributions welcome</a>
+  </p>
 </body>
 </html>