message: Add id to main nav site documentation
diff: @@ -20,7 +20,7 @@ export function SideNav(props: SideNavProps) {
  return (
  <div className={classes.wrapper}>
  - <nav className={classes.nav}>
  + <nav id='main-nav' className={classes.nav}>
  <ul className={classes.ul}>
  {pages.map(link => (
  <SideNavItem key={link.href} {...link} />
  