It’s very easy to make some words bold and other words italic with Markdown. You can even link to Google!.

Markdown Guide

Click here

You can add images using the Insert Image button above.

The image will be auto-uploaded to the /img directory in the repo.

You can use emojis!

:shiptit: :rainbow: :sunny:

https://help.github.com/articles/basic-writing-and-formatting-syntax/#using-emoji

You can add GitHub gists when you want to add code samples.

Use the Gist ID.

If you don’t want to use a GitHub gist, you can highlight a code snippet.

def foo
  puts 'foo'
end

Visit the Rouge site to see what languages are supported.

You can embed YouTube videos.