Add a docs for Cron Jobs

[HardikGoyal2003]

Add a detailed wiki page that guides to the new contributors about the cron jobs.

• What are cron jobs
• How to write the cron jobs
• How to test them locally
• How it works on the prod

[rohitt-pandey]

Hi @HardikGoyal2003, I’d like to work on this issue.
I’ll add a detailed documentation page covering cron jobs overview, implementation, local testing, and production behavior.
Please let me know if that works. Thanks!

[HardikGoyal2003]

Hi @rohitt-pandey Can you please a draft of the documentation that you are proposing for this issue?