OS: move service scripts into libexec

buildroot-external/rootfs-overlay/usr/libexec/hassos-rate

@@ -0,0 +1,27 @@
+#!/bin/sh
+set -e
+
+
+function mark_good() {
+    rauc status mark-good
+    exit 0
+}
+
+function mark_bad() {
+    rauc status mark-bad
+    systemctl reboot
+}
+
+#### Check system ####
+
+# Docker state
+if systemctl -q is-failed docker; then
+    mark_bad
+fi
+
+# Docker state
+if systemctl -q is-failed hassos-supervisor; then
+    mark_bad
+fi
+
+mark_good