Feat: add volume controle keys

config.py

@@ -82,6 +82,20 @@ keys = [
     Key([MOD, "control"], "r", lazy.restart()),
     Key([MOD, "control"], "q", lazy.shutdown()),
     Key([MOD, "control"], "equal", lazy.spawn("systemctl suspend")),
+
+    # Change the volume if our keyboard has keys
+    Key(
+        [], "XF86AudioRaiseVolume",
+        lazy.spawn("pamixer -i 2")
+    ),
+    Key(
+        [], "XF86AudioLowerVolume",
+        lazy.spawn("pamixer -d 2")
+    ),
+    Key(
+        [], "XF86AudioMute",
+        lazy.spawn("pamixer -t")
+    ),
 ]