add backlight and backlight keyboard feature for macbooks

dot_config/swaync/config.json.tmpl

@@ -54,7 +54,7 @@
     "mpris",
     "notifications",
     "backlight",
-    "backlight#tpacpi",
+    "backlight#keyboard",
     "volume",
     "buttons-grid"
   ],
@@ -80,16 +80,29 @@
       "image-size": 96,
       "image-radius": 12
     },
+{{- if and (eq .chezmoi.os "linux") (eq .chezmoi.arch "arm64") }}
+    "backlight": {
+      "label": "",
+      "device": "apple-panel-bl",
+      "min": 10
+    },
+    "backlight#keyboard": {
+      "label": "",
+      "device": "kbd_backlight",
+      "subsystem": "leds"
+    },
+{{- else }}
     "backlight": {
       "label": "",
       "device": "intel_backlight",
       "min": 10
     },
-    "backlight#tpacpi": {
+    "backlight#keyboard": {
       "label": "",
       "device": "tpacpi::kbd_backlight",
       "subsystem": "leds"
     },
+{{- end }}
     "volume": {
       "label": ""
     },