[native] Hit new_thread endpoint in CommunityConfiguration
Summary:
Hit new_thread endpoint and create new community when "Create community" button is pressed in CommunityConfiguration.
Handling of loading state + error message will be handled in subsequent diff.
Depends on D7968
Test Plan:
Works as expected, can observe that communities are created:
Reviewers: ashoat, ginsu
Reviewed By: ashoat
Subscribers: tomek
Differential Revision: https://phab.comm.dev/D7978