[Feat] integration of payment gateway

[Luson045]

Is there an existing issue for this?

• [x] I have searched the existing issues

Feature Description

A payment gateway is needed to be added to the website in order for users to pay their appointment booking bills directly through us, razorpay or stripe should be used

Use Case

In order for users to pay their appointment booking bills directly through us

Benefits

this will be the final step before implementing it in large scale

Priority

High

Record

• [x] I agree to follow this project's Code of Conduct
• [ ] I'm a GSSOC contributor
• [ ] I want to work on this issue
• [x] I'm willing to provide further clarification or assistance if needed.