Feature/attendances

[fatemetardasti96]

Checklist for your PR

• [ ] please start with a draft PR and mark it as ready for review when you are confident that your implementation works as expected.
• [ ] add a changelog entry in CHANGELOG.md with a link to this PR.
• [ ] make sure that all tests pass and add new test functions if your code is not covered by existing tests. Please use mock tests when network requests are required.
• [ ] let someone review & approve your code, make changes where necessary.

Hints

• name your branches accordingly: use the prefixes bugfix/, feature/, or release/ and then a short title for your PR in kebab-case (lowercase words separated with dashes), e.g. feature/my-awesome-feature.
• Please make sure that pre-commit hooks are enabled on your system to avoid common mistakes before you make a commit.
• feel free to delete this template and replace it with your own description of the PR.

[codecov-commenter]

Codecov Report

Patch coverage: 88.15% and project coverage change: +0.66 :tada:

Comparison is base (3cd11f6) 86.71% compared to head (29e60bd) 87.37%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #35 +/- ## ========================================== + Coverage 86.71% 87.37% +0.66% ========================================== Files 7 7 Lines 843 895 +52 ========================================== + Hits 731 782 +51 - Misses 112 113 +1 ``` | [Impacted Files](https://codecov.io/gh/at-gmbh/personio-py/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=at-gmbh) | Coverage Δ | | |---|---|---| | [src/personio\_py/models.py](https://codecov.io/gh/at-gmbh/personio-py/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=at-gmbh#diff-c3JjL3BlcnNvbmlvX3B5L21vZGVscy5weQ==) | `90.49% <85.71%> (+0.61%)` | :arrow_up: | | [src/personio\_py/client.py](https://codecov.io/gh/at-gmbh/personio-py/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=at-gmbh#diff-c3JjL3BlcnNvbmlvX3B5L2NsaWVudC5weQ==) | `81.81% <88.88%> (+2.35%)` | :arrow_up: | | [src/personio\_py/version.py](https://codecov.io/gh/at-gmbh/personio-py/pull/35?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=at-gmbh#diff-c3JjL3BlcnNvbmlvX3B5L3ZlcnNpb24ucHk=) | `100.00% <100.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=at-gmbh). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=at-gmbh)

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