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/package.json b/ui-react/package.json
index 8d11044..a62cf67 100644
--- a/ui-react/package.json
+++ b/ui-react/package.json
@@ -36,6 +36,7 @@
 		"react-router-dom": "5.2.0",
 		"@material-ui/core": "4.11.3",
 		"@material-ui/icons": "4.11.2",
+		"@material-ui/lab": "4.0.0-alpha.57",
 		"material-table": "1.68.1",
 		"react-select": "4.2.1",
 		"react-uuid": "1.0.2"