chore: update readme links to use module v2 (#315)

Author: vbrown608

README.md

@@ -26,9 +26,9 @@ You can view the definition using [Swagger UI](https://swagger.io/tools/swagger-
 $ go get github.com/netlify/open-api/...
 ```
 
-- [Porcelain](https://godoc.org/github.com/netlify/open-api/go/porcelain): High level interactions and operations
-- [Plumbing](https://godoc.org/github.com/netlify/open-api/go/plumbing): Low level client operations generated by [go-swagger][go-swagger]
-- [Models](https://godoc.org/github.com/netlify/open-api/go/models): Models generated by [go-swagger][go-swagger]
+- [Porcelain](https://godoc.org/github.com/netlify/open-api/v2/go/porcelain): High level interactions and operations
+- [Plumbing](https://godoc.org/github.com/netlify/open-api/v2/go/plumbing): Low level client operations generated by [go-swagger][go-swagger]
+- [Models](https://godoc.org/github.com/netlify/open-api/v2/go/models): Models generated by [go-swagger][go-swagger]
 
 See [CONTRIBUTING.md](CONTRIBUTING.md) for details on how this client is developed and generated.
 
@@ -89,10 +89,10 @@ MIT. See [LICENSE](LICENSE) for more details.
 [npm-js]: https://npmjs.org/package/netlify
 [dl-js-img]: https://img.shields.io/npm/dm/netlify.svg
 [dl-js]: https://npmjs.org/package/netlify
-[godoc-img]: https://godoc.org/github.com/netlify/open-api/go?status.svg
-[godoc]: https://godoc.org/github.com/netlify/open-api/go
-[goreport-img]: https://goreportcard.com/badge/github.com/netlify/open-api
-[goreport]: https://goreportcard.com/report/github.com/netlify/open-api
+[godoc-img]: https://godoc.org/github.com/netlify/open-api/v2/go?status.svg
+[godoc]: https://godoc.org/github.com/netlify/open-api/v2/go
+[goreport-img]: https://goreportcard.com/badge/github.com/netlify/open-api/v2
+[goreport]: https://goreportcard.com/report/github.com/netlify/open-api/v2
 [git-img]: https://img.shields.io/github/release/netlify/open-api.svg
 [git]: https://github.com/netlify/open-api/releases/latest
 [open-api-2]: https://github.com/OAI/OpenAPI-Specification/blob/master/versions/2.0.md