Add type test

Author: OliverJAsh

test/typetests/provider.tsx

@@ -0,0 +1,19 @@
+/* eslint-disable @typescript-eslint/no-unused-vars */
+
+import React from 'react'
+import { Provider } from '../../src'
+import { Store } from 'redux'
+
+declare const store: Store<{ foo: string }>
+
+function App() {
+  return (
+    <Provider
+      store={store}
+      // @ts-expect-error
+      serverState={'oops'}
+    >
+      foo
+    </Provider>
+  )
+}