Docsify video introduction

https://www.youtube.com/watch?v=TV88lp7egMw

Showcase

Explore examples of documentation written in docsify and markdown:

• https://amzn.github.io/style-dictionary/#/
• https://netflix.github.io/pollyjs/#/README
• https://apache.github.io/incubator-weex-ui/#/
• https://docs.anycable.io/#/v1/
• https://docs.inlets.dev/
• https://typicode.github.io/husky/#/
• https://ned.im/noty/#/
• https://samlify.js.org/#/
• https://realrashid.github.io/sweet-alert/
• https://styled-wind.netlify.app/#/
• https://getpino.io/#/
• https://selfrefactor.github.io/rambda/#/
• https://posthtml.org/#/
• https://hybrids.js.org/#/