Add kitty gruvbox theme in a separate file

home-manager/common/software/cli/gruvbox/kitty-theme.nix

@@ -0,0 +1,40 @@
+{ ...  }: {
+  # Kitty theme
+  # https://github.com/dexpota/kitty-themes/tree/master
+  # Generated with the command `kitten `
+  home.file.".config/kitty/theme.conf".text = ''
+    ## name: Gruvbox Dark
+    ## author: Pavel Pertsev
+    ## license: MIT/X11
+    ## upstream: https://raw.githubusercontent.com/gruvbox-community/gruvbox-contrib/master/kitty/gruvbox-dark.conf
+
+    selection_foreground    #ebdbb2
+    selection_background    #d65d0e
+
+    background              #282828
+    foreground              #ebdbb2
+
+    color0                  #3c3836
+    color1                  #cc241d
+    color2                  #98971a
+    color3                  #d79921
+    color4                  #458588
+    color5                  #b16286
+    color6                  #689d6a
+    color7                  #a89984
+    color8                  #928374
+    color9                  #fb4934
+    color10                 #b8bb26
+    color11                 #fabd2f
+    color12                 #83a598
+    color13                 #d3869b
+    color14                 #8ec07c
+    color15                 #fbf1c7
+
+    cursor                  #bdae93
+    cursor_text_color       #665c54
+
+    url_color               #458588
+
+  '';
+}