Create github.io pages

[kennyhyun]

Show readme and Demo footages and documentations

Currently has only a readme

• https://kennyhyun.github.io/linuxdev
• https://kenny.yeoyou.net/linuxdev

---

Todos

• Integrate Gatsby to Github action
  • render MD files in /docs
  • show same contents in github.com and github.io
  • split contents from readme to docs and link
• Customise Gatsby?
  • Get title from H1 (#)
  • Get date from git log?
  • Get the description from the contents?
  • get frontmatter from the comment to hide from github.com
• Put resources in Wiki
  • paste images in the github editor
• Keep the Gatsby project in a subdirectory

embedding image test