Add keyboard backlighting drivers for tuxedo/slimbook machines

install/config/hardware/fix-tuxedo-backlight.sh

@@ -0,0 +1,5 @@
+# Install Tuxedo drivers for keyboard backlighting on Tuxedo laptops and
+# compatible devices like the Slimbook Executive (Clevo/Tuxedo chassis).
+if cat /sys/class/dmi/id/sys_vendor 2>/dev/null | grep -qi "TUXEDO\|Slimbook"; then
+  omarchy-pkg-add linux-headers tuxedo-drivers-nocompatcheck-dkms
+fi