add brightness control to setup

devuan_setup/config/sway/config

@@ -129,6 +129,10 @@ bindsym $Mod+Return exec foot
 bindsym $Mod+e exec thunar
 bindsym Print exec flameshot gui
 
+# SCREEN BACKLIGHT
+bindsym --locked XF86MonBrightnessDown exec brightnessctl set 5%-
+bindsym --locked XF86MonBrightnessUp exec brightnessctl set 5%+
+
 # VOLUME
 bindsym XF86AudioRaiseVolume exec amixer sset Master 5+
 bindsym XF86AudioLowerVolume exec amixer sset Master 5-

devuan_setup/setup_system.sh

@@ -16,6 +16,9 @@ ln -s ~/dotfiles/devuan_setup/.profile ~/.profile
 #let there be sound!
 apt install -y alsa-utils
 
+#screen brightness control
+apt install -y brightnessctl
+
 #launcher
 apt install -y wofi
 mkdir -p .config/wofi