feat: Removes unused about section.

Sources/Docs/Templates/BaseLayout.swift

@@ -27,8 +27,9 @@ func baseLayout(
         div(class: "container mb-auto") {
           children()
         }
-
-        footer(rssLink)
+        if section == .articles {
+          footer(rssLink)
+        }
       }
     }
   ]
@@ -55,9 +56,6 @@ private func siteHeader(_ section: Section) -> Node {
           li {
             a(href: "https://uptime.housh.dev/status/housh-dev", rel: "nofollow", target: "_blank") { "Server-Monitor" }
           }
-          li {
-            a(class: section == .about ? "active" : "", href: "/about.html") { "About" }
-          }
         }
       }