Add website to mono repo, update packages to align with existing sub-packages, use new subscribeAsync 0x.js method

packages/website/ts/pages/documentation/comment.tsx

@@ -0,0 +1,24 @@
+import * as _ from 'lodash';
+import * as React from 'react';
+import * as ReactMarkdown from 'react-markdown';
+import {MarkdownCodeBlock} from 'ts/pages/shared/markdown_code_block';
+
+interface CommentProps {
+    comment: string;
+    className?: string;
+}
+
+const defaultProps = {
+    className: '',
+};
+
+export const Comment: React.SFC<CommentProps> = (props: CommentProps) => {
+    return (
+        <div className={`${props.className} comment`}>
+            <ReactMarkdown
+                source={props.comment}
+                renderers={{CodeBlock: MarkdownCodeBlock}}
+            />
+        </div>
+    );
+};