Allow udev rules & make it persistent (#210)

* Install default to lib

* Create hmip-rfusb.rules

* Create etc-udev-rules.d.mount

* Update hassos-config

* Update configuration.md

* Update rauc.sh

* Add ln

buildroot-external/rootfs-overlay/usr/sbin/hassos-config

@@ -33,6 +33,15 @@ if [ -d /mnt/config/modules ]; then
     cp -f /mnt/config/modules/* /etc/modules-load.d/*
 fi
 
+##
+# Udev
+if [ -d /mnt/config/udev ]; then
+    echo "[Info] Update Udev configuration!"
+
+    rm -rf /etc/udev/rules.d/*
+    cp -f /mnt/config/udev/* /etc/udev/rules.d/*
+fi
+
 ##
 # SSH know hosts
 if [ -f /mnt/config/authorized_keys ]; then