Implemented phase 0 for the POC prototype in the Website service.

Services/Website/Sources/Library/Internal/Extensions/Page+Defaults.swift

@@ -11,9 +11,9 @@ extension Page {
     /// The fonts preloaded on every page: one per face the stylesheets actually render.
     ///
     /// Listed rather than derived from every WOFF2 in ``StaticFile/all``: a subset gated by a `unicode-range` no page reaches would add a
-    /// download that never otherwise happens. Empty until the site ships fonts of its own.
+    /// download that never otherwise happens. All three faces render on every page.
     static var preloadedFonts: [StaticFile] {
-        []
+        [.fontArchivo, .fontOswald, .fontAnton]
     }
 
     /// The territories paired with the site's languages, in Open Graph's `language_TERRITORY` form.
@@ -147,11 +147,11 @@ extension Page {
         )
         meta(
             .name("theme-color"),
-            .content("#fafafa")
+            .content("#191713")
         )
         meta(
             .name("theme-color"),
-            .content("#0c0710"),
+            .content("#0f0e0b"),
             .custom(
                 name: "media",
                 value: "(prefers-color-scheme: dark)"