feat(core): Add React ErrorBoundary component + theme default boundaries (#3104)

Co-authored-by: Paden Clayton <paden.clayton@monkedia.com>
Co-authored-by: Josh-Cena <sidachen2003@gmail.com>
Co-authored-by: sebastienlorber <lorber.sebastien@gmail.com>

website/src/components/ErrorBoundaryTestButton/index.tsx

@@ -0,0 +1,16 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import React, {useState} from 'react';
+
+export default function ErrorBoundaryTestButton({children = 'Boom!'}) {
+  const [state, setState] = useState(false);
+  if (state) {
+    throw new Error('Boom!');
+  }
+  return <button onClick={() => setState(true)}>{children}</button>;
+}