message: make the SideNav chill out
diff: import React from 'react'
  import {Button, Link} from '../../src'
  -class SideNav extends React.Component {
  -
  - constructor(props) {
  - super(props)
  - this.state = {
  - showComponents: false
  - }
  - }
  -
  - showComponents = (e) => {
  - e.preventDefault();
  - this.setState(prevState => ({
  - showComponents: !prevState.showComponents
  - }))
  - }
  -
  - render() {
  - return (
  +const SideNav = () =>
  <React.Fragment>
  <nav className="menu">
  <a className="menu-item" href="/">Home</a>
  @@ -29,7 +12,5 @@ class SideNav extends React.Component {
  <a className="menu-item" href="/demos">Demos</a>
  </nav>
  </React.Fragment>
  - )
  - }
  -}
  +
  export default SideNav
  