Use recursive file writing for startpage

startpage/.gitignore

@@ -1,3 +0,0 @@
-# Link in generate colors file for testing
-# ln -s ~/.startpage/colors.css .
-colors.css

startpage/default.nix

@@ -7,15 +7,11 @@ let
 in
 {
   home.file = {
-    "${out}index.html".source = ./index.html;
+    "${out}" = {
+      source = ./html;
+      recursive = true;
+    };
     "${out}colors.css".text = ":root {\n" + (colors.css lib) + "\n}";
-    "${out}style.css".source = ./style.css;
-    "${out}anilist.svg".source = ./anilist.svg;
-    "${out}envelope-regular.svg".source = ./envelope-regular.svg;
-    "${out}git.svg".source = ./git.svg;
-    "${out}jellyfin.svg".source = ./jellyfin.svg;
-    "${out}nyaa.webp".source = ./nyaa.webp;
-    "${out}nixos.svg".source = ./nixos.svg;
   };
   # Make files not symlinks, this causes issues displaying in Firefox
   home.activation.startpage = lib.hm.dag.entryAfter["writeBoundary"] ''