YANG model design to define data node for usage in YANG store and YANG runtime

Change-Id: I38cb20716fb03067f875b8a8f1ce44c94673ebdf
diff --git a/pom.xml b/pom.xml
index b571eea..07dc848 100644
--- a/pom.xml
+++ b/pom.xml
@@ -38,6 +38,7 @@
         <module>generator</module>
         <module>parser</module>
         <module>plugin</module>
+        <module>model</module>
         <module>runtime</module>
     </modules>