sway: Add a key mapping to start kitty with session

sway/.config/sway/config

@@ -10,6 +10,7 @@ set $prev bracketleft
 set $next bracketright
 # Your preferred terminal emulator
 set $term kitty
+set $term_session kitty --session ~/.config/kitty/session.conf
 # Your preferred application launcher
 # Note: pass the final command to swaymsg so that the resulting window can be opened
 # on the original workspace that the command was run on.
@@ -86,6 +87,7 @@ input "type:keyboard" {
 #
     # Start a terminal
     bindsym $mod+Return exec $term
+    bindsym $mod+Shift+Return exec $term_session
 
     # Kill focused window
     bindsym $mod+Shift+q kill