Add keyboard layout configuration example

config.in

@@ -6,15 +6,19 @@
 
 ### Variables
 #
-# Logo key. Use Mod1 for Alt.
+# Windows key. Use Mod1 for Alt.
 set $mod Mod4
+#
 # Home row direction keys, like vim
 set $left h
 set $down j
 set $up k
 set $right l
+#
 # Your preferred terminal emulator
+# set $term kitty
 set $term alacritty
+#
 # Your preferred application launcher
 # Note: it's recommended that you pass the final command to sway
 set $menu dmenu_path | dmenu | xargs swaymsg exec --
@@ -48,6 +52,24 @@ output * bg @datadir@/backgrounds/sway/Sway_Wallpaper_Blue_1920x1080.png fill
 #
 # Example configuration:
 #
+#   Keyboard layout:
+#
+#   input * {
+#       xkb_layout de
+#       xkb_variant neo
+#   }
+#
+#   or:
+#
+#   input * {
+#       xkb_layout de
+#       xkb_variant nodeadkeys
+#       xkb_options caps:swapescape
+#   }
+#
+#
+#   Touchpad:
+#
 #   input "2:14:SynPS/2_Synaptics_TouchPad" {
 #       dwt enabled
 #       tap enabled