Added a README for the UI2 archetype

Change-Id: I7e0b40a5c34610b3e4d97eef59cbf545426fce06
diff --git a/tools/package/archetypes/ui2/src/main/resources/archetype-resources/pom.xml b/tools/package/archetypes/ui2/src/main/resources/archetype-resources/pom.xml
index bbea8c7..53d7322 100644
--- a/tools/package/archetypes/ui2/src/main/resources/archetype-resources/pom.xml
+++ b/tools/package/archetypes/ui2/src/main/resources/archetype-resources/pom.xml
@@ -6,7 +6,8 @@
 #set ($artifactId = "${artifactId}")
 #set ($appNameCap = $artifactId.substring(0,1).toUpperCase())
 #set ($appNameEnd = $artifactId.substring(1).replace("-","").toLowerCase())
-#set ($appNameAllCaps = $artifactId.toUpperCase())
+#set ($appNameAllCaps = $artifactId.replace("-","_").toUpperCase())
+#set( $symbol_h2 = '##' )
 
 <?xml version="1.0" encoding="UTF-8"?>
 <!--