Publish SOP for all manual changes

[srishtim-22]

1. for open search, instead of using username and password to login, we should use vpn to login
2. in squid, in log rotate bucket name should be set manually
3. in envoy we have to set up vector
4. Cluster autoscaler should have permissions to autoscale
5. Security Groups
6. Public Load Balancers and Cloudfront functions for sdk, control center
7. Script to create DB Users, and External Jump and Internal Jump Users
8. Disable internet connection for RDS, EKS cluster.
9. whitelist VPN IPs at EKS cluster
10. Update squid lb url in application env
11. Create certificate for app-server, control-center
12. Create WAF rules and other WAF changes
13. Bringing down the stack
14. update CORS ENVs in app-server
15. Logging
16. Fix SDK endpoint

Note: Automation of the above tasks to be done post deployment