AbortJSON abort with JSON.

NewApp returns new app.

NewApp returns new app with memory stub instead of using database.

Recovery returns a middleware for a given writer that recovers from any panics and calls the provided handle func to handle it.

RequestIDMiddleware adds X-Request-ID value to request, response and save to context variable.

RequestTimeMiddleware logs request time.

SendError sends error.

SendJSON sends JSON.

SendSuccess sends success response.

TODO: This is opinionated solution to register UnwrapContext.

App defines app interface.

StubRequestParam stub request.