✨(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/tests/Setup.ts

@@ -0,0 +1,7 @@
+import createFetchMock from "vitest-fetch-mock";
+import { vi } from "vitest";
+
+const fetchMocker = createFetchMock(vi);
+
+// sets globalThis.fetch and globalThis.fetchMock to our mocked version
+fetchMocker.enableMocks();