Handsdown

Fixed
- Incorrect path to assets on Windows

Changed
- Default branch is now `main` (**BREAKING!!!**)
- Docker rebased to `Python 3.10.1` on `Alpine 3.15`

Fixed
- Links in generated `md` files are now correct on Windows

Fixed
- Removed extra slash in external docs URL

Fixed
- `[ci]` upload to PyPI was failing

Added
- `[cli]` new `--branch` argument to set `master`, `main` or any other branch for external links

Fixed
- `[ast]` `Constant` AST import was not working properly on Python 3.7

Changed

- Python 3.8+ uses built-in `ast` module
- `typed-ast` is not required for `py38`

Fixed

- `__all__` directive parsing for `py38`