caddy: actually fix senior project webpage

services/caddy_senior_project.nix

@@ -7,6 +7,13 @@
   ...
 }:
 let
+  theme = pkgs.fetchFromGitHub {
+    owner = "kaiiiz";
+    repo = "hugo-theme-monochrome";
+    rev = "d17e05715e91f41a842f2656e6bdd70cba73de91";
+    sha256 = "h9I2ukugVrldIC3SXefS0L3R245oa+TuRChOCJJgF24=";
+  };
+
   hugoWebsite = pkgs.stdenv.mkDerivation {
     pname = "hugo-site";
     version = "0.1";
@@ -18,6 +25,8 @@ let
     ];
 
     installPhase = ''
+      rm -fr themes/theme
+      cp -rv ${theme} themes/theme
       hugo --minify -d $out;
     '';
   };