Add notice of Pilot end to ReadMe
Revert "Merge branch 'master' of github.com:CVEProject/cvelist" This reverts commit 06c8b9fcbe0e0ef276ba5a2fab0a455ed3ddb7ed, reversing changes made to 7b62baec8b27a9d0e0e623311077ee284073dabf.
Added a link to CONTRIBUTE.md