Add category to posts

[phoebe0607]

Hi! Thank you for creating this awesome jekyll theme :) I know tags might be enough, but I would like my posts to be categorized by different content Is it hard for you to implement? Or is there something I can do in the markdown files / css?? Thanks!

[dirsigler]

Use tags? https://jekyllrb.com/docs/frontmatter/#predefined-variables-for-posts