{{css}} helper
It creates URL to the CSS file from the css catalog in the assets directory. Additionally, it adds to the file URL the v= param.
Syntax:
{{css "filepath.css"}}
Example:
<link rel="stylesheet" href="{{css "main.css"}}" />
Example output:
<link rel="stylesheet" href="https://example.com/assets/css/main.css?v=a928f6898da46898a928f6898da46898" />