Added onos-ui-archetype as a partial archetype to bootstrap UI development.
Modified onos-cli-archetype to be a partial archetype.

Change-Id: I172bca5f67519f052bbb116486b3f1d7c51bc4bf
diff --git a/tools/package/archetypes/ui/src/main/resources/archetype-resources/src/main/resources/app/view/sample/sample.html b/tools/package/archetypes/ui/src/main/resources/archetype-resources/src/main/resources/app/view/sample/sample.html
new file mode 100644
index 0000000..eec3de9
--- /dev/null
+++ b/tools/package/archetypes/ui/src/main/resources/archetype-resources/src/main/resources/app/view/sample/sample.html
@@ -0,0 +1,7 @@
+
+<!-- partial HTML -->
+<div id="ov-sample">
+    <h2>Sample App View</h2>
+
+    <p> {{ctrl.msg}} </p>
+</div>
\ No newline at end of file