feat: prototype blog & docs generation on dev

lib/core/blog/index.js

@@ -0,0 +1,11 @@
+import React from 'react';
+import MarkdownBlock from '../markdown';
+
+class Docs extends React.Component {
+  render() {
+    const {content, siteConfig} = this.props;
+    return <MarkdownBlock siteConfig={siteConfig}>{content}</MarkdownBlock>;
+  }
+}
+
+module.exports = Docs;