Add basic version of post show page

app/javascript/components/Post/index.tsx

@@ -0,0 +1,23 @@
+import * as React from 'react';
+import { Provider } from 'react-redux';
+
+import store from '../../stores';
+
+import Post from '../../containers/Post';
+
+import '../../stylesheets/components/Post.scss';
+
+const PostRoot = ({ postId, postStatuses, isLoggedIn, isPowerUser, authenticityToken }) => (
+  <Provider store={store}>
+    <Post
+      postId={postId}
+      postStatuses={postStatuses}
+
+      isLoggedIn={isLoggedIn}
+      isPowerUser={isPowerUser}
+      authenticityToken={authenticityToken}
+    />
+  </Provider>
+);
+
+export default PostRoot;