creates gwtc catalog/superevent/gevent database tables and foreignkeys. assigns permissions to catalog_managers group, and sets up the creation API backend. 

TODO: work on querying and catalog event views. 

- New pipelines
- New FRD search
- Add upload permissions for brandon.oneal and ryan.fisher

by default the public alert page is cached 300s, but that can be changed
with an environment variable when deployed