Add basic version of Comments component

app/javascript/containers/Comments.tsx

@@ -0,0 +1,26 @@
+import { connect } from 'react-redux';
+
+import { requestComments } from '../actions/requestComments';
+
+import { State } from '../reducers/rootReducer';
+
+import CommentsP from '../components/Comments/CommentsP';
+
+const mapStateToProps = (state: State) => ({
+  comments: state.currentPost.comments.items,
+  areLoading: state.currentPost.comments.areLoading,
+  error: state.currentPost.comments.error,
+  page: state.currentPost.comments.page,
+  haveMore: state.currentPost.comments.haveMore,
+});
+
+const mapDispatchToProps = (dispatch) => ({
+  requestComments(postId: number, page: number = 1) {
+    dispatch(requestComments(postId, page));
+  },
+});
+
+export default connect(
+  mapStateToProps,
+  mapDispatchToProps,
+)(CommentsP);