implement fetching apps from BE

impl install modal

src/services/apps/redux/reducers.ts

@@ -0,0 +1,39 @@
+import { AppActionTypes } from './actions';
+
+const initialUsersState: any = {
+  users: [],
+  user: {},
+  userModalLoading: false,
+  usersLoading: false,
+};
+
+const appsReducer = (state: any = initialUsersState, action: any) => {
+  switch (action.type) {
+    case AppActionTypes.FETCH_APPS:
+      return {
+        ...state,
+        apps: action.payload,
+      };
+    case AppActionTypes.SET_APP_LOADING:
+      return {
+        ...state,
+        appLoading: action.payload,
+      };
+    case AppActionTypes.SET_APPS_LOADING:
+      return {
+        ...state,
+        appsLoading: action.payload,
+      };
+    case AppActionTypes.FETCH_APP:
+    case AppActionTypes.UPDATE_APP:
+    case AppActionTypes.INSTALL_APP:
+      return {
+        ...state,
+        currentApp: action.payload,
+      };
+    default:
+      return state;
+  }
+};
+
+export default appsReducer;