Moved code into src folder. Added build for component library.

src/pages/api/scripts/telemetry.js

@@ -0,0 +1,18 @@
+import { CURRENT_VERSION, TELEMETRY_PIXEL } from 'lib/constants';
+
+export default function handler(req, res) {
+  res.setHeader('content-type', 'text/javascript');
+
+  if (process.env.DISABLE_TELEMETRY) {
+    return res.send('/* telemetry disabled */');
+  }
+
+  const script = `
+    (()=>{const i=document.createElement('img');
+      i.setAttribute('src','${TELEMETRY_PIXEL}?v=${CURRENT_VERSION}');
+      i.setAttribute('style','width:0;height:0;position:absolute;pointer-events:none;');
+      document.body.appendChild(i);})();
+  `;
+
+  return res.send(script.replace(/\s\s+/g, ''));
+}