title: How do I select git ignore Node.js AFTER I've already created a repository?
body: <p>I have made a new repository. It's a JavaScript/HTML/CSS project.</p>
  
  <p>When I created the directory on my GitHub.com profile, I forgot to select git ignore Node.js from the git ignore dropdown menu.</p>
  
  <p>Is there a way for me to ignore Node.js after I've already created the repository?</p>
  
  <p>Thank you for you help.</p>