Update index.tsx (#839)

Author: hadar-co

packages/docusaurus-theme-openapi-docs/src/theme/ApiItem/index.tsx

@@ -188,7 +188,7 @@ export default function ApiItem(props: Props): JSX.Element {
         <DocItemMetadata />
         <DocItemLayout>
           <div className="row">
-            <div className="col col--12">
+            <div className="col col--12 markdown">
               <MDXComponent />
             </div>
           </div>