Update README

Author: DeathAxe

Diff for: README.md

@@ -4,7 +4,7 @@ Provides syntax highlighting for HTML and Markdown files with [Shopify Liquid](h
 
 For working with [Jekyll](https://jekyllrb.com), this package also provides proper syntax highlighting for yaml front matter.
 
-![screenshot](screenshot.png)
+![](preview.png)
 
 ## Usage
 

Diff for: preview.md

@@ -0,0 +1,17 @@
+---
+author: John Doe
+date: 2022-05-20
+draft: true
+---
+
+# Heading ({{page.date}})
+
+Welcome from {{page.author}} to our site.
+
+[User docs]({% link docs/usage.md %})
+
+> {% if page.draft = true %}
+> _This is a draft._
+> {% endif %}
+
+