Add README.md

Readme.md

+# NFV SOL011 - OpenAPIs for the Or-Or Reference Point
+
+This repository contains OpenAPIs for ETSI GS NFV-SOL 011, RESTful protocols 
+specification for the Or-Or Reference Point.
+
+More information at [NFV Solutions wiki](https://nfvwiki.etsi.org/index.php?title=NFV_Solutions).
+
+## How to raise issues
+
+Please report errors, bugs or other 
+issues [here](https://forge.etsi.org/rep/nfv/SOL011/issues).
+
+## How to contribute
+
+ETSI Forge uses Gitlab to manage submissions to the repository. 
+Check the project page [here](https://forge.etsi.org/rep/nfv/SOL011).
+For more information on setting up your environment and contributing, you may 
+refer to the [ETSI Forge wiki](https://forge.etsi.org/wiki/index.php/Main_Page).
+
+## License
+
+The content of this repository and the files contained are released under the BSD-3-Clause license.
+See the attached LICENSE file or visit https://forge.etsi.org/legal-matters.