refactor: use bubble instead

image/overlay/etc/init.d/bubble

@@ -0,0 +1,10 @@
+#!/sbin/openrc-run
+
+depend() {
+	need auth-server docker
+}
+
+command="/usr/bin/bubble"
+command_args="-config /daemon/config.yaml"
+pidfile="/run/${RC_SVCNAME}.pid"
+command_background=true