doc: add example of method sending only statusCode (#33)
doc: add example of method sending only statusCode (#33)

* doc: add example of method sending only statusCode

* doc: add example where method returns a promise

This example illustrates the use case of a specific status code needing to be sent by a controller method returning a promise.

* doc(fix): add missing params `id` in delete method

* doc: add error handling to example methods

* doc: send response on error in examples

AltekkeE/inversify-express-utils,inversify/inversify-express-utils,inversify/inversify-express-utils,AltekkeE/inversify-express-utils