fix markdown snippet docs (#869)

Author: chdeskur

fern/assets/styles.css

@@ -1087,4 +1087,10 @@ a[href*="changelog"] svg {
   display: inline-block;
 }
 
-/*** END -- LANDING PAGE STYLING ***/
+/*** END -- LANDING PAGE STYLING ***/
+
+/* HACK: add a slash to markdown snippet documentation (otherwise it gets parsed by CLI) */
+.modify-snippet tbody tr:last-of-type td:last-of-type .line span:last-of-type:before {
+  content: "/";
+  display: inline-block;
+}

fern/products/docs/pages/component-library/custom-components/reusable-markdown.mdx

@@ -34,12 +34,13 @@ To use a snippet in your documentation, reference it by its file path (including
 
 <Tabs>
     <Tab title="Markdown">
-    
+        <div className="modify-snippet">
         ```jsx
         Peace lilies are easy to grow and relatively trouble-free.
 
         <Markdown src="/snippets/peace-lily.mdx">
         ```
+        </div>
 
     </Tab>
     <Tab title="Preview">