Added updating of display name to profile. Added employees table.

client/src/redux/messaging/messaging.reducer.js

@@ -0,0 +1,24 @@
+import MessagingActionTypes from "./messaging.types";
+
+const INITIAL_STATE = {
+  visible: false
+};
+
+const messagingReducer = (state = INITIAL_STATE, action) => {
+  switch (action.type) {
+    case MessagingActionTypes.TOGGLE_CHAT_VISIBLE:
+      return {
+        ...state,
+        visible: !state.visible
+      };
+    case MessagingActionTypes.SET_CHAT_VISIBLE:
+      return {
+        ...state,
+        visible: true
+      };
+    default:
+      return state;
+  }
+};
+
+export default messagingReducer;