eww: Add color-scheme switch button

tree/.local/bin/get-color-scheme.tpl

@@ -0,0 +1,7 @@
+#!/bin/sh
+
+{% if light %}
+echo light
+{% else %}
+echo dark
+{% end %}

tree/.local/bin/set-color-scheme

@@ -0,0 +1,21 @@
+#!/bin/env fish
+
+switch $argv[1] 
+	case 'light'
+		# configure terminal stuff with light theme
+		dotfiles light
+
+		# change gtk theme
+		gsettings set org.gnome.desktop.interface color-scheme prefer-light
+
+	case 'dark'
+		# configure terminal stuff with dark theme
+		dotfiles
+
+		# change gtk theme
+		gsettings set org.gnome.desktop.interface color-scheme prefer-dark
+
+	case '*'
+		echo "usage: set-color-scheme <dark|light>"
+		exit 1
+end