Merge pull request #65 from gdsfactory/upgrade-gdsfactory9

Fix mypy issues

Migrate to gdsfactory9

Bump to 0.1.0

Bump to 0.0.4

fix version

Merge pull request #58 from gdsfactory/update_gdsfactory

update gdsfactory

Merge pull request #51 from gdsfactory/update_gdsfactory

update tests

fix pre-commit

Merge branch 'main' into update_gdsfactory

update gdsfactory

Minor edits to tutorial files.

Fixed MMI drawing using VTT's cross-sections.