feat: deletion of app, update of app

styling

add suggestions with difflib and rich
feat: if a word not found, suggest?

spaced-repetition algorithms?
CSV or an Anki deck?

---

later:
    testing db: testing add_word, list_words, or delete_word. advanced database mock tests
    keep logs, logging
    check --verbose, cyclopts

question:
    https://audreyfeldroy.github.io/cookiecutter-pypackage/tutorial/
    https://github.com/cookiecutter/cookiecutter

---

done:
fix: if a word not found, do not add it,
feat: add multiple words at once
feat: -v --version
fix: make list show latest words and total number
