chore: add readme

feat: add docker-compose w/ redis and rabbitmq

feat: add idempotency check via redis

chore: add retry

feat: setup RabbitMq and add dispatcher

feat: add messaging models to BB

chore: add file for testing idempotency

chore: upd due to API

feat: add message exchange w/ server

feat: add proj

feat: create README.md

feat: add maintenance controller (ignore swagger)

feat: add optional field endpoint

feat: add pagination

feat: add rate limiting

feat: add Idempotency key

feat: add v2 controller with auth

feat: add additive field Tag

fix: Swashbuckle.AspNetCore version, add ef design