add sketchybar mac settings and plugins, add skhd new key binds

configs/sketchybar_m/plugins/space_windows.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+if [ "$SENDER" = "space_windows_change" ]; then
+  space="$(echo "$INFO" | jq -r '.space')"
+  apps="$(echo "$INFO" | jq -r '.apps | keys[]')"
+
+  icon_strip=" "
+  if [ "${apps}" != "" ]; then
+    while read -r app
+    do
+      icon_strip+=" $($CONFIG_DIR/plugins/icon_map_fn.sh "$app")"
+    done <<< "${apps}"
+  else
+    icon_strip=" —"
+  fi
+
+  sketchybar --set space.$space label="$icon_strip"
+fi