feat(editor): support google form embeds (#3930)

Fixes #3129 and #3923

shared/editor/embeds/GoogleForms.tsx

@@ -0,0 +1,33 @@
+import * as React from "react";
+import Frame from "../components/Frame";
+import Image from "../components/Image";
+import { EmbedProps as Props } from ".";
+
+function GoogleForms(props: Props) {
+  return (
+    <Frame
+      {...props}
+      src={props.attrs.href.replace(
+        /\/(edit|viewform)(\?.+)?$/,
+        "/viewform?embedded=true"
+      )}
+      icon={
+        <Image
+          src="/images/google-forms.png"
+          alt="Google Forms Icon"
+          width={16}
+          height={16}
+        />
+      }
+      canonicalUrl={props.attrs.href}
+      title="Google Forms"
+      border
+    />
+  );
+}
+
+GoogleForms.ENABLED = [
+  new RegExp("^https?://docs\\.google\\.com/forms/d/(.+)$"),
+];
+
+export default GoogleForms;