chore: bump version to 0.1.1

[wardmos]

Summary

• Update the package version from 0.1.0 to 0.1.1.
• Prepare the release containing the merged macOS PKG installer changes.

Checks

• ruff check src tests
• ruff format --check src tests
• Full test suite: 1534 passed, 4 skipped.
• CLI version check reports shotquill 0.1.1.
• Built the wheel and source distribution from an isolated source snapshot.
• twine check passed for both distributions.

Notes

• This PR only changes src/shotquill/init.py.
• Publishing remains a separate tag-driven step.