feat: creates MVP for new buy/sell UI

[jeeanribeiro]

Summary

closes #2590

Testing

Needs to have TRANSAK_API_KEY env variable defined

Platforms

• Desktop
  • [ ] MacOS
  • [ ] Linux
  • [x] Windows

Checklist

• [x] I have followed the contribution guidelines for this project
• [x] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have added or modified tests that prove my changes work as intended
• [x] I have verified that new and existing unit tests pass locally with my changes
• [x] I have verified that my latest changes pass CI workflows for testing and linting
• [ ] I have made corresponding changes to the documentation