add iframe resizer to header (#2)

- add iframe resizer to header (d4dd19e3ec535d48f378e7d7aff3e001d98e5645)


Co-authored-by: Radamés Ajna <radames@users.noreply.huggingface.co>

observablehq.config.ts

@@ -0,0 +1,3 @@
+export default {
+    header: `<script src="https://cdnjs.cloudflare.com/ajax/libs/iframe-resizer/4.3.9/iframeResizer.contentWindow.min.js" async=""></script>`
+};