Add field "groups" in Project model

[maxceem]

This field should be optional with default value of []. It should allow array of strings (for group ids which are UUIDs).

• Update model.
• Update Swagger and Postman if needed.
• Create SQL migration script.
• Update ES Processor and ES mapping.
• Update unit tests if necessary.
• Update Joi Schemas in all endpoints.

References

• This update is to support changes in Connect App "Project Defaults": Groups Display & Management appirio-tech/connect-app#4270 (comment)

[vikasrohit]

Deployed to prod.