under dir: ./_docs use markdown you can mdkir or write docs under the path: _docs/ directly
under dir: ./_posts
at the top of every blog,we should add the code like:
---
layout: post
title: "Remote Working Protocol for the Athena Project"
date: 2020-01-07 16:00:00
author: dongyan.xu
---cd athena.github.io
git config user.email <your email in github>
git config user.name <your name in github>
git add .
git commit -m "your modification"
git pushwait for a minute.
Jekyll will build it.
interview http://athena-proxy.io