feat: markdown render for thread author

src/Flows.js

@@ -7,6 +7,7 @@ import './Flows.css';
 import LazyLoad from './react-lazyload/src';
 import {AudioWidget} from './AudioWidget';
 import {TokenCtx, ReplyForm} from './UserAction';
+import renderMd from './Markdown'
 
 import {API, THUHOLE_API_ROOT} from './flows_api';
 
@@ -129,7 +130,7 @@ class FlowItem extends PureComponent {
 
     render() {
         let props=this.props;
-        let parts=props.parts||split_text(props.info.text,[
+        let parts=props.parts||split_text(renderMd(props.info.text),[
             ['url_pid',URL_PID_RE],
             ['url',URL_RE],
             ['pid',PID_RE],

src/Markdown.js

@@ -0,0 +1,8 @@
+import MarkdownIt from 'markdown-it'
+
+let md = new MarkdownIt({
+  html: false,
+  linkify: false // avoid collision with text_splitter.js
+})
+
+export default (text) => md.render(text)