first template, material ui, navigation

src/themes/overrides/index.js

@@ -0,0 +1,15 @@
+import MuiAlert from './MuiAlert';
+import MuiInputBase from './MuiInputBase';
+import MuiMenuItem from './MuiMenuItem';
+import MuiOutlinedInput from './MuiOutlinedInput';
+import MuiSelect from './MuiSelect';
+import MuiSwitch from './MuiSwitch';
+
+export default {
+  MuiAlert,
+  MuiInputBase,
+  MuiMenuItem,
+  MuiOutlinedInput,
+  MuiSelect,
+  MuiSwitch,
+};