🚀 [Feature]: Regarding the custom payment interface

[KoDelioDa]

Feature Description

Thank you for your work. This is a very good project, but I want to know how to customize the payment interface. It is very important. But I'm not quite brave enough to try to modify it when I'm not familiar with the project structure.

Additional Context (optional)

No response

Code Snippet (optional)

package main

import "fmt"

func main() {
  fmt.Print("hello word")
}

Checklist:

• [x] I agree to follow litecart's Code of Conduct.
• [x] I have checked for existing issues that describe my suggestion prior to opening this one.
• [x] I understand that improperly formatted feature requests may be closed without explanation.