Add logBundleSize script to calculate qbds/ids bundle size

Author: ggutierrez3

packages/utils/src/utils/logBundleSize.mjs

@@ -1,3 +1,5 @@
+// logBundleSize.mjs
+
 import fs from 'fs';
 import path from 'path';
 import brotli from 'brotli';