Using an 11ty Shortcode to craft a custom CSS pipeline

I know I'm still a bit of a 11ty n00b, so I hope this isn't frowned upon in the community, but on rebuilding my blog using 11ty, I decided not to use the standard Bundle plugin that was added in v3.0.0 . Instead, I decided to write a custom Shortcode to customise my CSS output. In this blog post, I will go through the code I have written in the hope it will help others and more importantly gather…