RED: API Generator tests - REST + GraphQL

[todo-mdx]

Write failing tests for API generator.

Test cases:

• GET /[noun] returns list
• POST /[noun] creates record
• GET /[noun]/:id returns record
• PUT /[noun]/:id updates record
• DELETE /[noun]/:id deletes record
• POST /[noun]/:id/[verb] executes verb
• GraphQL query for each noun
• GraphQL mutation for create/update/delete
• GraphQL mutation for verbs
• GraphQL subscription for events
• OpenAPI spec generated correctly
• Rate limiting enforced
• API key authentication works