Jwebbinar-4

unset kernel spec

Jwebbinar-3

set default kernels to jwebbinar

Jwebbinar-2

Merge pull request #24 from spacetelescope/current-webbinar-update-ke…

…rnels

Update kernels in current_jwebbinar

Jwebbinar-1

Merge remote-tracking branch 'st/main' into current_webbinar