Adding first implementation of vEG service

Change-Id: I2feeccd98e6e8932fe4552c575915d2f20fe5176
diff --git a/xos/veg.m4 b/xos/veg.m4
new file mode 100644
index 0000000..3053c9b
--- /dev/null
+++ b/xos/veg.m4
@@ -0,0 +1,36 @@
+tosca_definitions_version: tosca_simple_yaml_1_0
+
+# compile this with "m4 veg.m4 > veg.yaml"
+
+# include macros
+include(macros.m4)
+
+node_types:
+    
+    tosca.nodes.VEGService:
+        description: >
+            CORD: The vEG Service.
+        derived_from: tosca.nodes.Root
+        capabilities:
+            xos_base_service_caps
+        properties:
+            xos_base_props
+            xos_base_service_props
+            backend_network_label:
+                type: string
+                required: false
+                description: Label that matches network used to connect HPC and BBS services.
+            dns_servers:
+                type: string
+                required: false
+            node_label:
+                type: string
+                required: false
+            docker_image_name:
+                type: string
+                required: false
+                description: Name of docker image to pull for vEG
+            docker_insecure_registry:
+                type: boolean
+                required: false
+                description: If true, then the hostname:port specified in docker_image_name will be treated as an insecure registry
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