add bot to footer

website/src/theme/Footer/index.js

@@ -0,0 +1,22 @@
+import React, { useEffect } from "react";
+import Footer from "@theme-original/Footer";
+
+export default function FooterWrapper(props) {
+  useEffect(() => {
+    const script = document.createElement("script");
+    script.id = "ze-snippet";
+    script.src =
+      "https://static.zdassets.com/ekr/snippet.js?key=3292009a-b672-4683-8691-2bf2475a3398";
+    document.body.appendChild(script);
+
+    return () => {
+      document.body.removeChild(script);
+    };
+  }, []);
+
+  return (
+    <>
+      <Footer {...props} />
+    </>
+  );
+}