Client: Added custom data provider

Similar to the simple REST provider, but supports any query parameters.

client/src/App.tsx

@@ -15,7 +15,7 @@ import routerBindings, {
   NavigateToResource,
   UnsavedChangesNotifier,
 } from "@refinedev/react-router-v6";
-import dataProvider from "@refinedev/simple-rest";
+import dataProvider from "./components/dataProvider";
 import { useTranslation } from "react-i18next";
 import { BrowserRouter, Outlet, Route, Routes } from "react-router-dom";
 import { Header } from "./components/header";