Added back reo script

Author: azaddhirajkumar

docusaurus.config.js

@@ -43,6 +43,11 @@ const config = {
       },
       innerHTML: 'function OptanonWrapper() {}',
     },
+    {
+      tagName: 'script',
+      attributes: {},
+      innerHTML: `!function(){var e,t,n;e="${process.env.REO_CLIENT_ID}",t=function(){Reo.init({clientID:"${process.env.REO_CLIENT_ID}"})},(n=document.createElement("script")).src="https://static.reo.dev/"+e+"/reo.js",n.async=!0,n.onload=t,document.head.appendChild(n)}();`,
+    },
   ],
 
   // Even if you don't use internationalization, you can use this field to set