Add single-key support for screenshot and mute

- Add printscreen and scroll_lock as keys for screenshot and mic_mute
- Add waynergy config support for rewriting the printscreen keycode to
the code evdev xkb map expects

.config/sway/config

@@ -38,13 +38,15 @@ bar swaybar_command waybar
 # start a terminal
 bindsym $mod+Return exec x-terminal-emulator
 
-# screenshot on win+shift+s
+# screenshot on win+shift+s and printscreen
+bindsym Print exec "~/bin/screenshot"
 bindsym $mod+Shift+s exec "~/bin/screenshot"
 
 # open the front door camera on win+shift+f
 bindsym $mod+Shift+f exec "~/bin/view_frontdoor"
 
-# mic mute toggle
+# mic mute toggle on win+shift+m and ScrollLock
+bindsym Scroll_Lock exec "~/bin/mic_mute"
 bindsym $mod+Shift+m exec "~/bin/mic_mute"
 
 # kill focused window

.config/waynergy/config.ini

@@ -33,6 +33,7 @@ offset_on_explicit = false
 347 = 133  #WIN
 312 = 108  #RALT
 349 = 135  #MENU
+311 = 218  #PRINT
 
 284 = 104  #KPEN
 325 = 77   #NMLK