Document Environment Variables

[Abd-Standard]

Description
Provide clear documentation for all required environment variables, including descriptions and example values. This simplifies project setup.

Acceptance Criteria
Every variable is documented.
Example configuration is included.
Documentation is accurate.

[Marvelg256]

Hi! I'd like to work on this issue. I have a strong problem-solving background and have reviewed the issue. I'm confident I can implement a clean solution and submit a PR within 48 hours. Looking forward to contributing!

[Jumongweb]

@Jumongweb has applied to work on this issue as part of the Stellar Wave Program's 7th wave.

Hi maintainer, i will like to solve this issue

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Jumongweb to this issue.