Add brightness toggle and polybar

dotfiles/i3/i3

@@ -170,8 +170,8 @@ new_window 1pixel
 bindsym --release $mod+Shift+p exec"import ~/Screenshot-$(date '+%Y%m%d-%H%M%S').png"
 
 # Audio and Screen
-bindsym XF86MonBrightnessUp exec xbacklight -inc 20 # increase screen brightness
-bindsym XF86MonBrightnessDown exec xbacklight -dec 20 # decrease screen brightness
+bindsym XF86MonBrightnessUp exec light -A 5 # increase screen brightness
+bindsym XF86MonBrightnessDown exec light -U 5 # decrease screen brightness
 
 # Workspace Cycle
 bindsym $mod+n workspace next

dotfiles/polybar/config

@@ -32,7 +32,7 @@ module-margin = 1
 
 modules-left = i3tabs title
 modules-center = date
-modules-right = network volume battery
+modules-right = backlight network volume battery
 separator =
 
 dim-value = 1.0
@@ -67,7 +67,7 @@ module-margin = 1
 
 modules-left = i3tabs title
 modules-center = date
-modules-right = network volume battery
+modules-right = network volume
 separator =
 
 dim-value = 1.0
@@ -193,8 +193,24 @@ interval = 10.0
 format-connected = <label-connected>
 format-disconnectded = <label-disconnected>
 
-label-connected = WIFI %essid%
+label-connected = %essid%
 label-connected-foreground = #fff
 
-label-disconnected = NO WIFI
+label-disconnected =
 label-disconnected-foreground = #fff
+
+###############################################################################
+[module/backlight]
+type = internal/backlight
+# ls -1 /sys/class/backlight
+card = amdgpu_bl0
+enable-scroll = true
+
+format = <bar>
+format-foreground = #fff
+label = BRIGHT %percentage%%
+
+bar-width = 10
+bar-indicator = |
+bar-fill = -
+bar-empty = -