refactor(web/blog): Configurable blog name and footer

Required for actually using this generically for the TVL blog.

Change-Id: I92d8d10341f9ab4f92c90f7976be261b3255a0f0
Reviewed-on: https://cl.tvl.fyi/c/depot/+/3768
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>

users/tazjin/blog/default.nix

@@ -4,6 +4,20 @@ with depot.nix.yants;
 
 let
   inherit (builtins) hasAttr filter;
+
+  blogConfig = {
+    name = "tazjin's blog";
+
+    footer = ''
+      <p class="footer">
+        <a class="uncoloured-link" href="https://tazj.in">homepage</a>
+        |
+        <a class="uncoloured-link" href="https://cs.tvl.fyi/">code</a>
+      </p>
+      <p class="lod">ಠ_ಠ</p>
+    '';
+  };
+
   inherit (depot.web.blog) post includePost renderPost;
 
   posts = filter includePost (list post (import ./posts.nix));
@@ -12,7 +26,7 @@ let
     mkdir -p $out
 
     ${lib.concatStringsSep "\n" (map (post:
-      "cp ${renderPost post} $out/${post.key}.html"
+      "cp ${renderPost blogConfig post} $out/${post.key}.html"
     ) posts)}
   '';