Hijridate

- Added a new function called `year_length()`, which calculates the total number of days in a Hijri year.
- Changed the `validate` argument when instantiating Hijri objects to be a keyword-only argument.
- Changed the `padding` argument for `dmyformat()` functions to be a keyword-only argument.
- Improved exception messages to display the values provided by the user.
- Improved type hints for supported natural languages.
- Improved readability and documentation of several functions.
- Improved reliability of some tests.
- Fixed typos in English Hijri month names.
- Fixed miscellaneous formatting and linting issues.
- Published the package on [Zenodo](https://zenodo.org/records/11200950) to become citable by researchers.
- Updated development tools, workflows, and documentation.

- Fixed some typos.

- Dropped support for Python 3.7 and added support for Python 3.12.

Subheading

- Fixed a typo in the Bangla translation. (By [nokibsarkar](https://github.com/nokibsarkar) in [#18](https://github.com/dralshehri/hijridate/pull/18))
- Changed documentation theme along with other enhancements.

**IMPORTANT**

The `hijri-converter` package has been **renamed** to `hijridate` in preparation for the upcoming major update.

Please use a version specifier e.g. `hijridate~=2.3.0` to avoid any breaking changes in the future.

What's Changed

- Renamed the package to `hijridate` and deprecated the old name.
- Dropped support for Python 3.6 and added support for Python 3.11.
- Updated documentation and removed badges from the package description.
- Updated development configurations and GitHub actions.
- Changed GitHub username back to dralshehri and updated related links.

- Added more classifiers to package configuration.
- Fixed location of type-checking marker file. (By [dimbleby](https://github.com/dimbleby) in [#10](https://github.com/dralshehri/hijridate/pull/10))
- Updated development and build requirements.

- Changed package docstrings to Google style and updated documentation.
- Updated development workflows and configurations.
- Other minor fixes and enhancements.
- Changed GitHub username to mhalshehri and updated related links.