feat(router): add local bank transfer payment method

[AkshayaFoiger]

Type of Change

• [ ] Bugfix
• [x] New feature
• [ ] Enhancement
• [ ] Refactoring
• [ ] Dependency updates
• [ ] Documentation
• [ ] CI/CD

Description

Local bank transfers" facilitate electronic fund transfers within the same country or region, utilizing the banking infrastructure of the sender and recipient. Users initiate transfers through online banking platforms or bank branches, with funds typically reaching the recipient's account after processing by both banks involved.

How did you test it?

Can't be tested

Checklist

• [x] I formatted the code cargo +nightly fmt --all
• [x] I addressed lints thrown by cargo clippy
• [x] I reviewed the submitted code
• [ ] I added unit tests for my changes where possible
• [ ] I added a CHANGELOG entry if applicable