add screenshoting key maps

dotfiles/river/.config/river/init-keymaps

@@ -21,6 +21,10 @@ riverctl map normal $mod q close
 riverctl map normal $mod m spawn 'riverctl exit'
 riverctl map normal $mod+Shift l spawn 'waylock -init-color 0x000000 -input-color 0x111111 -fail-color 0x220000'
 
+# Screenshots
+riverctl map normal None Print spawn 'grim - | wl-copy --type image/png'
+riverctl map normal None XF86SelectiveScreenshot spawn 'grim -g "$(slurp)" - | wl-copy --type image/png'
+
 # Volume
 riverctl map normal None XF86AudioRaiseVolume spawn 'wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%+'
 riverctl map normal None XF86AudioLowerVolume spawn 'wpctl set-volume @DEFAULT_AUDIO_SINK@ 5%-'

packages/install-slurp.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+install_package "slurp"