☑ create relational entities
☑ implement stripe api
☑ use .env for keys
☑ inject thymeleaf
☑ refactor stripe html, use thymeleaf instead of vanilla js
☑ create dtos
☑ complete payment flow client -> service -> stripe api -> service -> database
☑ generate user crud
☑ add custom exceptions
☐ implement binance api
☐ complete buy crypto flow
☐ write unit tests and integration tests
☐ implement testcontainer
☐ implement postgresql on docker
☐ add application profiles