Update README.md

Author: moul

api/README.md

@@ -4,3 +4,13 @@ This package contains facilities to play with the Scaleway API, in includes the
 
 - dedicated configuration file containing credentials to deal with the API
 - caching to resolve UUIDs without contacting the API
+
+## Links
+
+- [API documentation](https://developer.scaleway.com)
+- [Official Python SDK](https://github.com/scaleway/python-scaleway)
+- Other **golang** clients
+  - https://github.com/lalyos/onlabs
+  - https://github.com/meatballhat/packer-builder-onlinelabs
+  - https://github.com/nlamirault/go-scaleway
+  - https://github.com/golang/build/blob/master/cmd/scaleway/scaleway.go