Basic project analyses endpoints, Onyx types for arrays and unstructured data, result counts for queries, TESTS

[tombch]

• Testing CI uses pyproject.toml to exclude files not relevant in coverage estimates
• Testing accounts endpoints for waiting users, user approval, site user list, all user list and limited test of project user view.
• New Onyx types Array and Structure, which are abstractions of Django+Postgres ArrayField and JSONField.
• Custom lookups supported for both of these types.
• Analysis model, for storing analytical results from various projects
• Basic CRUD endpoints for creating, updating, getting and listing Analysis objects.
• New data endpoint enabling result counts from queries.
• Testing data endpoints for analysis, counts, filtering new types, history permissions.