Todo App tutorial

See: https://hemanthhari2000.medium.com/the-ports-and-adapters-pattern-unraveling-the-mystery-2efbf678ab9b

poetry:

• cli for managing an app
  • manages dependencies via a unique venv
  • manages running the app and internal tools (e.g. alembic)

alembic:

• used to creates the local SQLite database

src:

• implements the app domain and ports
  • ports are Protocol classes (e.g. define the interface)
• implements the adaptors
  • adaptors define implementation of ports
• implements the FastAPI api endpoints