Assign ownership to many of the remaining libs/common files.
Criteria for ownership:
* Files used by a single team, is now owned by that team.
* Files related to a domain owned by a team is now owned by that team.
* Where ownership is unclear the "lowest level" service takes ownership.
* Added support for the teams starter plan
* Plans now respect display sort order. Updated teams starter to be in its own product
* Remove upgrade button and show new copy instead -- wip copy
* Added upgrade dialog for teams starter plan when adding an 11th user
* Updated the add user validator to check if plan is teams starter. Updated to not count duplicated emails in the overall count
* Renamed validator to be more descriptive and added additional unit tests
* Added validator for org types that require customer support to upgrade
* Updated small localization for teams plan to account for new starter plan
* Removed invalid tests
* Resolved issues around free trial flow for teams starter
* Added new layout for teams starter free trial flow
* Updated copy following demo. Resolved display issues discovered during demo
* Removed temporary copy for testing
* Updated the second step of free trial flow to use org display name
* Updated invite user modal to display 10 instead of 20 as the invite limit for Teams Starter
---------
Co-authored-by: cyprain-okeke <108260115+cyprain-okeke@users.noreply.github.com>