CLDR-18031 v46: add analytics to spec (#4140)

Author: srl295

tools/scripts/tr-archive/archive.js

@@ -32,6 +32,7 @@ marked.use(markedAlert());
  * @returns {Promise<string>} name of output file (for status update)
  */
 async function renderit(infile) {
+  const gtag = (await fs.readFile('gtag.html', 'utf-8')).trim();
   console.log(`Reading ${infile}`);
   basename = path.basename(infile, ".md");
   const outfile = path.join(path.dirname(infile), `${basename}.html`);
@@ -55,6 +56,7 @@ async function renderit(infile) {
   // add CSS to HEAD
   head.innerHTML =
     head.innerHTML +
+    gtag + '\n' +
     `<meta charset="utf-8">\n` +
     `<link rel='stylesheet' type='text/css' media='screen' href='../reports-v2.css'>\n` +
     `<link rel='stylesheet' type='text/css' media='screen' href='tr35.css'>\n`;

tools/scripts/tr-archive/gtag.html

@@ -0,0 +1,9 @@
+<!-- Google tag (gtag.js) -->
+<script async src="https://www.googletagmanager.com/gtag/js?id=G-BPN1D3SEJM"></script>
+<script>
+  window.dataLayer = window.dataLayer || [];
+  function gtag(){dataLayer.push(arguments);}
+  gtag('js', new Date());
+
+  gtag('config', 'G-BPN1D3SEJM');
+</script>