[#814,tutorial,docs][xl]: add initial version of the second tutorial, rename basic-example to learn-example, clean up learn-example

examples/learn-example/components/VegaLite.tsx

@@ -0,0 +1,9 @@
+//  Wrapper for the Vega Lite component
+import { VegaLite as VegaLiteOg } from "react-vega";
+import applyFullWidthDirective from "../lib/applyFullWidthDirective";
+
+export default function VegaLite(props) {
+  const Component = applyFullWidthDirective({ Component: VegaLiteOg });
+
+  return <Component {...props} />;
+}