1. add a new js file - errorLogs.js. It handles the POST request to save the page data to redis. Also provide GET request to read from Redis with the key and secret
2. add two new config for errorLogs - secret and time_to_expire
3. register the two new actions in web.js
4. event.js - check if redis url is available in ENV. if AVAILABLE, then use it. otherwise, create a local one.