I want to make a blog but I don’t want to use a template and the amount of work it would take to make a high-quality, fully-featured blog is immense
templates are so much better, use Jekyll and Github Pages to make a fully featured blog. My favourite template is Chirpy: (my blog that uses it is) https://p-i-c-o.github.io
https://github.com/cfenollosa/bashblog to the rescue