feat: use release 2.1.0 of the spec (#75)

Co-authored-by: Dale Lane <dale.lane@gmail.com>
Co-authored-by: Laurent Broudoux <laurent.broudoux@gmail.com>
Co-authored-by: Maciej Urbańczyk <urbanczyk.maciej.95@gmail.com>

Author: 4 people

index.js

@@ -5,4 +5,5 @@ module.exports = {
   '2.0.0-rc1': require('./schemas/2.0.0-rc1.json'),
   '2.0.0-rc2': require('./schemas/2.0.0-rc2.json'),
   '2.0.0': require('./schemas/2.0.0.json'),
+  '2.1.0': require('./schemas/2.1.0.json'),
 };