chore: add rybbit tracking script (#494)

Signed-off-by: Ryan Wang <i@ryanc.cc>

Author: ruibaby

docusaurus.config.js

@@ -254,6 +254,11 @@ const config = {
       async: true,
       "data-website-id": "f9995c32-81e9-4e07-91f2-c276a0d63c9f",
     },
+    {
+      src: "https://track.halo.run/api/script.js",
+      defer: true,
+      "data-site-id": "3",
+    },
   ],
 };