Add new component to support Tree view

Add treeview component to show subset of policies by prefix (using .)

Issue-ID: POLICY-3165
Signed-off-by: sebdet <sebastien.determe@intl.att.com>
Change-Id: I1365695f03086beda36a6bafddd9ad0f52944b6d
diff --git a/ui-react-lib/libIndex.js b/ui-react-lib/libIndex.js
index ebb6f80..538d648 100755
--- a/ui-react-lib/libIndex.js
+++ b/ui-react-lib/libIndex.js
@@ -52,3 +52,4 @@
 export { default as ViewLoopTemplatesModal } from './src/components/dialogs/Tosca/ViewLoopTemplatesModal';
 export { default as ViewAllPolicies } from './src/components/dialogs/Policy/ViewAllPolicies';
 export { default as PolicyDeploymentEditor } from './src/components/dialogs/Policy/PolicyDeploymentEditor';
+export { default as PoliciesTreeViewer } from './src/components/dialogs/Policy/PoliciesTreeViewer';