Adding manage dictionary UI feature

Adding manage dictionaries.js, its test file and respective changes in
loopui, menu js files

Issue-ID: CLAMP-589
Change-Id: Ib0440a7a966f3736682d2964e3329e08c91578d3
Signed-off-by: drveerendra <vrajasekharaiah@att.com>
diff --git a/ui-react/src/__snapshots__/LoopUI.test.js.snap b/ui-react/src/__snapshots__/LoopUI.test.js.snap
index 7d2c446..9de232d 100644
--- a/ui-react/src/__snapshots__/LoopUI.test.js.snap
+++ b/ui-react/src/__snapshots__/LoopUI.test.js.snap
@@ -17,6 +17,10 @@
     render={[Function]}
   />
   <Route
+    path="/ManageDictionaries"
+    render={[Function]}
+  />
+  <Route
     path="/operationalPolicyModal"
     render={[Function]}
   />