commit for version 3.1.1 release

commit for version 3.1.0 release

commit for version 3.0.1 release

- `@telamonian/theme-darcula` is now jlab 3.x compatible

- extension is now prebuilt, can be installed without needing to then run `jupyter lab build`

regenerated yarn.lock; fixed vuln report

better color matching with source material

bugfix

version 0.19.1 (initial working version)

v0.19.1-rc.1 bump for npm republish