Update site-constants.js

Author: rickhanlonii

src/site-constants.js

@@ -7,7 +7,7 @@
 
 // NOTE: We can't just use `location.toString()` because when we are rendering
 // the SSR part in node.js we won't have a proper location.
-const urlRoot = 'https://legacy.reactjs.org/';
+const urlRoot = 'https://zh-hant.legacy.reactjs.org';
 const version = '18.2.0';
 const babelURL = 'https://unpkg.com/[email protected]/babel.min.js';