Iter-model

* ✨ New features:
* ⚙️ Internal changes:
* bb4f53a 📃 update the changelog.md
* volodymyrb <volodymyr.borysiuk0gmail.com>
* daf8a3d 🔖 3.0.0 new version
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 03b0a20 💚 update tests
* volodymyrb <volodymyr.borysiuk0gmail.com>
* d06f043 💚 update tests
* volodymyrb <volodymyr.borysiuk0gmail.com>
* e53f528 💚 update tests
* volodymyrb <volodymyr.borysiuk0gmail.com>
* b1bf865 ♻️ Refactor iterator methods and variable names
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 189e0b5 ♻️ Refactor type variable names with underscore prefix
* volodymyrb <volodymyr.borysiuk0gmail.com>
* aebfd30 ♻️ Refactor SyncIter class in iter_model
* volodymyrb <volodymyr.borysiuk0gmail.com>

* f646051 🔖 2.3.2 - add py.typed file to package
* volodymyrb <volodymyr.borysiuk0gmail.com>

💚 fix typing & stubs

✨ New features:

* Added new method: `flatten()`
* albshady

⚙️ Internal changes:

* update [pyproject.toml](pyproject.toml) to latest poetry version
* VolodymyrBor
* use ruff as main code linter instated of flake8
* VolodymyrBor
* update mkdocs-material
* VolodymyrBor

⚠️ Fixed a bug in the method AsyncIter.take().

✨ New features:
* Added new method: `batches()`
* ⬆️ Added official support for python 3.11
* 🎉 Update docs using mkdocstrings

* ✨ New features:
* ⚙️ Internal changes:
* 15c1de0 ⬆️update version of project
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 26383f2 ✏️ update date in changelog.md
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 54e4aee ✏️ fixed typo in changelog.md
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 8a48119 📃added empty() constructor to docs
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 853e573 📃updated changelog.md
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 21fe13d 💚 fixed mypy issues
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 34d3ddc 📃 updated docs
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 4d1fc3c 📃added docstrings
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 3d5101a ✈️ moved changelog to docs website
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 4eed7ec ✅ updated tests
* volodymyrb <volodymyr.borysiuk0gmail.com>
* e45f4fe ✨added constructor: empty()
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 871f60f ✅ added tests for async iter
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 6efe441 ✅ added tests for sync iter
* volodymyrb <volodymyr.borysiuk0gmail.com>
* 707637b ✨ added new methods: item_at, contains, is_empty, is_not_empty, pairwise, get_len
* volodymyrb <volodymyr.borysiuk0gmail.com>
* f4b8e3b ✨ added new method: last_where()
* volodymyrb <volodymyr.borysiuk0gmail.com>
* e767abc 🔥Hotfix: updated logo url for README.md to fix it in PyPi
* volodymyrb <volodymyr.borysiuk0gmail.com>