update man hinh user

app/src/reducers/role/index.js

@@ -0,0 +1,15 @@
+import {ROLE} from '../../actions/role';
+
+const initialState = {
+    role:  null
+};
+export default function role(state = initialState, action) {
+    switch(action.type){
+        case ROLE:
+            return{
+                role: action.payload.role
+            };
+        default:
+            return state;
+    }
+}