Initial add of cups add-on

cups/rootfs/etc/services.d/avahi/run

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+# Wait until D-Bus is up and the init script has mapped in the external hostname
+until [ -e /var/run/dbus/system_bus_socket ] && [ -e /var/run/avahi_configured ]; do
+  sleep 1s
+done
+
+exec avahi-daemon

cups/rootfs/etc/services.d/dbus/run

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec dbus-daemon --system --nofork

cups/rootfs/etc/services.d/nginx/run

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec nginx -g "daemon off;"