fedcode-next: Release FederatedCode Next

[pombredanne]

We should foster adoption of FederatedCode Next with a proper updated documentation, and also enabling DejaCode CRAVEX integration:

• fedcode-next: Documentation on how to use the new curation feature #68
• fedcode-next: Integration of new UI and data in DejaCode UI "CRAVEX" to expose sharing vulnerabilities triage efforts between users dejacode#221