HTTP API Docs

[jumpy-cat]

core components (#46)

• poc test
• add support for post requests
• documentation & examples
• test suite
• [ ] remove need for emptyFormat

integration

• document the existing routes
• [ ] validate responses option
• announcement in slack and/or main meeting
• new routes?

nice to have / futureproofing

• better handling of zod schemas that perform transformations
• support optional query params