title: How do I implement this type of scrolling angular material sidenav?
body: <p>I am trying to build a nav menu that follows as you scroll.</p>
  
  <p>Like this one:
  From the Angular Material website: 
  <a href="https://material.angular.io/components/sidenav/overview" rel="nofollow noreferrer">https://material.angular.io/components/sidenav/overview</a></p>
  
  <p>Here is a snippet of what I want to build:
  <a href="https://i.imgur.com/1iS0Ny9.png" rel="nofollow noreferrer">https://i.imgur.com/1iS0Ny9.png</a></p>
  
  <p>Does Angular Material already have a component like this? Is it called something different? </p>