Feat: Experimental @res() decorator (lukeautry#699)

* @res(): Prototype

* @res(): Enforce Types

* Ensure @res() does not break hapi/koa

* Unified Express responseHandler, abstract API

* @res: Express: Handle headers

* Koa: @res support

* response.d.ts -> response.ts

* Hapi Support

* Inline Docs

* Remove Http Status Codes Koa doesn't accept