✨(react) add DataGrid, SimpleDataGrid components

The DataGrid component can be considered as the core one, which provides
a full controlled component, but more complicated than SimpleDataGrid
which is based on DataGrid. SimpleDataGrid is intended to give a simple
ready-to-use data grid for client side data for example.

packages/react/src/index.ts

@@ -1,6 +1,8 @@
 import "./index.scss";
 
 export * from "./components/Button";
+export * from "./components/DataGrid";
+export * from "./components/DataGrid/SimpleDataGrid";
 export * from "./components/Loader";
 export * from "./components/Pagination";
 export * from "./components/Provider";