Ocdc

Added

- `.pre-commit-hooks.yaml` for the [pre-commit framework](https://pre-commit.com/).

Changed

- Support more than one value for `--path`, to format or check more than one file.

Changed

- Upgraded to Pydantic v2.

Removed

- Dropped Python 3.7 support.

Fixed

- Use a single trailing newline when writing to stdout.

Fixed

- Don't introduce newlines when merging duplicate changes sections.

Fixed

- Strip whitespace between version numbers and dates.
- Skip newlines before changelog title.

Fixed

- Raise error on missing title before changes.
- Strip trailing whitespace from text.

Added

- Pass `--path -` to read the changelog from stdin and write the formatted result to
stdout. This is useful for integrating with text editors.