Add initial meta-stx to support StarlingX build

meta-stx is a yocto compatible layer that includes
required recipes to build image for StarlingX on top
of yocto 2.7.3 (warrior).

And the following components are included:
- Fault management
- Configuration management
- Software management
- Host management
- Service management
- Ansible and puppet for provisioning

Issue-ID: INF-8
Issue-ID: INF-9
Issue-ID: INF-10
Issue-ID: INF-11
Issue-ID: INF-12
Issue-ID: INF-13
Issue-ID: INF-19
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Change-Id: I4e85c8232df3bf390aa247c75061a54b914bd28a
diff --git a/meta-stx/recipes-extended/rabbitmq/files/rabbitmq-server.service b/meta-stx/recipes-extended/rabbitmq/files/rabbitmq-server.service
new file mode 100644
index 0000000..ab0cc98
--- /dev/null
+++ b/meta-stx/recipes-extended/rabbitmq/files/rabbitmq-server.service
@@ -0,0 +1,16 @@
+[Unit]
+Description=RabbitMQ Messaging broker/server service
+After=network.target
+
+[Service]
+Type=simple
+User=root
+Environment=HOME=/home/root
+WorkingDirectory=/var/lib/rabbitmq
+LogsDirectory=rabbitmq
+ExecStartPre=/usr/bin/rabbitmq-server-setup
+ExecStart=/usr/bin/rabbitmq-server
+ExecStop=/usr/bin/rabbitmqctl stop
+
+[Install]
+WantedBy=multi-user.target