Fix homepage API 500 by using axios baseURL and stable paginate.

Replace self-proxy with direct SSR baseURL, rewrite blog post pagination with async/await, pin mongoose-paginate-v2, and add API error logging.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/plugins/controllersHelperFunctions.js

@@ -3,7 +3,8 @@ module.exports.res404 = (res, err) => {
 }
 
 module.exports.res500 = (res, err) => {
-  return res.status(500).json({message: err})
+  console.error('API 500:', err?.message || err)
+  return res.status(500).json({message: err?.message || err})
 }
 
 module.exports.checkValidations = validationResult => {