Markdown: Replace rendering library (#17686)

* Replace remarkable with marked

* Add wrapper and options for marked

public/app/core/components/PluginHelp/PluginHelp.tsx

@@ -1,6 +1,5 @@
 import React, { PureComponent } from 'react';
-// @ts-ignore
-import Remarkable from 'remarkable';
+import { renderMarkdown } from '@grafana/data';
 import { getBackendSrv } from '@grafana/runtime';
 
 interface Props {
@@ -39,8 +38,7 @@ export class PluginHelp extends PureComponent<Props, State> {
     getBackendSrv()
       .get(`/api/plugins/${plugin.id}/markdown/${type}`)
       .then((response: string) => {
-        const markdown = new Remarkable();
-        const helpHtml = markdown.render(response);
+        const helpHtml = renderMarkdown(response);
 
         if (response === '' && type === 'help') {
           this.setState({