title: How can I use Github secrets in JS files
body: <p>I have a basic git repo set up with github actions to build and deploy (HTML and TS files mainly).</p>
  
  <p>However I have to use in some API Keys that needs to be secret. </p>
  
  <p>So I figure out to use GITHUB SECRETS for them.</p>
  
  <p>How can I access GITHUB SECRETS in my js (or TS) files so it can build with github actions properly? </p>