To create new posts

gvim _posts/yyyy-mm-dd-title.md

Added a headeer to the file:

  ---
  layout: post
  title: Using Jekyll with Github Pages
  date: 2020-12-16 08:58 +0100
  categories: Tech
  tags:
    - Web
  ---

Add page and push to github

git add _posts/yyyy-mm-dd-title.md
giit push origin master