add tragicastle font

nixos/common.nix

@@ -83,13 +83,16 @@ in {
     defaultFonts.monospace = [ "Berkeley Mono" ];
   };
 
-  fonts.fonts = with pkgs;
-    [
-      (fetchzip {
-        url = "file://" + ./fonts.tar.xz;
-        sha256 = "sha256-YRd10UKJjXPZPIbE10EVae7EpmIdJ3mj1zl9JKEklGs=";
-      })
-    ];
+  fonts.fonts = with pkgs; [
+    (fetchzip {
+      url = "file://" + ./fonts/berkeley.tar.xz;
+      sha256 = "sha256-YRd10UKJjXPZPIbE10EVae7EpmIdJ3mj1zl9JKEklGs=";
+    })
+    (fetchurl {
+      url = "file://" + ./fonts/tragicastle.otf;
+      sha256 = "sha256-RZo4mXxTtDtili8ocw964vciBqbBq7jY7VHs7dO6XzU=";
+    })
+  ];
 
   nix = {
     settings.auto-optimise-store = true;