feat: add colorscheme generator and themes for xfce4 terminal (#81)

Co-authored-by: ian mcgaunn <ian@mcgaunn.com>

lua/tokyonight/extra/init.lua

@@ -17,6 +17,7 @@ local extras = {
 	wezterm = "toml",
 	tmux = "tmux",
 	xresources = "Xresources",
+	xfceterm = "theme",
 }
 local styles = { "storm", "night", "day" }
 

lua/tokyonight/extra/xfceterm.lua

@@ -0,0 +1,24 @@
+local util = require("tokyonight.util")
+
+local M = {}
+
+-- @param colors ColorScheme
+function M.generate(colors)
+	local xfceterm = util.template(
+		[[
+[Scheme]
+Name=TokyoNight Colors
+ColorBackground=${bg}
+ColorForeground=${fg}
+
+ColorSelectionBackground=${bg_visual}
+ColorSelection=${fg}
+
+ColorPalette=${black};${red};${green};${yellow};${blue};${magenta};${cyan};${fg_dark};${terminal_black};${red};${green};${yellow};${blue};${magenta};${cyan};${fg}
+]],
+		colors
+	)
+	return xfceterm
+end
+
+return M