sway: Add key mapping to move to previous & next workspace

sway/.config/sway/config

@@ -11,6 +11,8 @@ set $left  h
 set $down  j
 set $up    k
 set $right l
+set $prev bracketleft
+set $next bracketright
 # Your preferred terminal emulator
 set $term kitty
 # Your preferred application launcher
@@ -153,6 +155,8 @@ input "type:keyboard" {
 #
 # Workspaces:
 #
+    bindsym $mod+$prev workspace prev
+    bindsym $mod+$next workspace next
     # Switch to workspace
     bindsym $mod+1 workspace number 1
     bindsym $mod+2 workspace number 2