style: revamp terminal styling

Use OneDark theme from kitty-themes

nix/homeModules/common/kitty.nix

@@ -5,11 +5,11 @@
   ...
 }: let
   cfg = config.programs.kitty;
+
+  inherit (pkgs) myPkgs';
 in {
   config = lib.mkIf cfg.enable {
-    home.packages = let
-      inherit (pkgs) myPkgs';
-    in [
+    home.packages = [
       myPkgs'.altiosevka-nerd-font-mono
     ];
 
@@ -19,42 +19,34 @@ in {
         size = 13;
       };
       settings = {
-        foreground = "#000000";
-        background = "#ffffff";
-        confirm_os_window_close = 0;
+        # Make text thicker
         text_composition_strategy = lib.mkIf pkgs.stdenv.isLinux "2.8 0";
-      };
-      extraConfig =
-        ''
-          background #ffffff
-          foreground #000000
-          cursor #2d2d2d
-          cursor_text_color #ffffff
-          selection_background #bbbbbb
-          color0 #000000
-          color8 #4d4d4d
-          color1 #ca1243
-          color9 #e61955
-          color2 #50a14f
-          color10 #67c761
-          color3 #e5bf6d
-          color11 #ffdf84
-          color4 #4078f2
-          color12 #6296ff
-          color5 #950095
-          color13 #b000b0
-          color6 #0184bc
-          color14 #00a6e6
-          color7 #bbbbbb
-          color15 #ffffff
-          selection_foreground #f8f8f8
 
-          underline_hyperlinks never
-          clear_all_shortcuts no
-        ''
-        + lib.optionalString config.programs.tmux.enable ''
-          scrollback_lines 100
-        '';
+        # Don't prompt
+        confirm_os_window_close = 0;
+
+        # Never underline links
+        underline_hyperlinks = "never";
+
+        # No default bindings
+        clear_all_shortcuts = "no";
+
+        # tmux does the scrollback
+        scrollback_lines = lib.mkIf config.programs.tmux.enable 100;
+      };
+      extraConfig = let
+        themes = let
+          src = pkgs.fetchFromGitHub {
+            owner = "kovidgoyal";
+            repo = "kitty-themes";
+            rev = "0cff02ac3934768c99af7450f415ea2a8e14605f";
+            hash = "sha256-xSEsjCyafjx5t85Mp+39cRvNlt9awyCY7GXc0gaPtdk=";
+          };
+        in
+          src + "/themes";
+      in ''
+        include ${themes}/GitHub_Light.conf
+      '';
     };
   };
 }