Introduction
This is a blog post about functions. 
We'll learn what functions are, how to write functions, and how to use them.
This is a Markdown subheading
We just used a ### mark yarn dev subheading in our blog post.
    const doStuff = () => {
      return console.log('hey')
    }
  
Here I'm using a component inside my MarkDown file: 
This is a Markdown subheading
We just used a ### subheading in our blog post.
    const doStuff = () => {
      return console.log('hey')
    }
  
