Picimagesearch

- feat(google): replace `url` with `base_url` in Google class for regional searches, add `base_url` to constructor for custom URLs (by NekoAria)
- refactor: replace class attribute `url` with global `BASE_URL` constant for `saucenao.py` & `yandex.py` (by NekoAria)
- docs: standardize documentation strings across various model (by NekoAria)
- docs: add multi-language support in README files and demo code files (by Peloxerat and NekoAria)
- chore: remove redundant comma in `renovate.json`, update `.gitignore`, correct typo in `tracemoe.py` docstring (by NekoAria)
- chore(deps): update dependencies (by renovatebot)

- docs: translate the project documentation, including README.md and code comments in the demo directory by Nachtalb
- docs: add English translation of code documentation and Chinese comments by Nachtalb
- chore(python): Drop support for Python 3.7 (EOL) by Nachtalb
- refactor: update code using `Python 3.8`'s new features and perform code formatting by NekoAria
- chore: add development environment dependencies using Poetry NekoAria
- ci: update packaging workflows, add multiple Python versions packaging with Poetry NekoAria

fix(google): fix parsing logic for `thumbnail`

refactor: replace `tuple` with `namedtuple` for improved readability and functionality

fix(ascii2d): fix parsing logic for `title`

fix(ascii2d): fix parsing logic for `title` , and optimize module structure

fix(baidu): `similarity` and `title` fields are deprecated because Baidu no longer provides `simi` and `fromPageTitle` fields (close 67)