Fix broken link in CONTRIBUTING.md (#376)
Fix broken link in CONTRIBUTING.md (#376)

Co-authored-by: Karthick Narendran <c6e847a88f096c0e0e8d4b14f1c0bd0ccaa5bd73@microsoft.com>
Co-authored-by: Christopher Tubbs <3aa19d4e8997b2df462f585a8b2cacb178dc9c21@apache.org>
fluo-io/zetten,fluo-io/zetten