add: pywalfox

apps/matugen/config.toml

@@ -1,4 +1,4 @@
-[config]
+[config] # FIXME: ~/.config feels unreliable. Use config.home.homeDirectory instead.
 reload_on_change = true
 
 [templates.ghostty]
@@ -24,4 +24,8 @@ output_path = "~/.config/starship.toml"
 input_path = "~/.config/matugen/templates/walker"
 output_path = "~/.config/walker/themes/nixos/style.css"
 
+[templates.pywalfox]
+input_path = '~/.config/matugen/templates/firefox'
+output_path = '~/.cache/wal/colors.json'
+post_hook = 'pywalfox update'