Merge pull request jsonwebtoken#527 from lestrrat/master

Update 9-Go.json

Author: Sambego

views/website/libraries/9-Go.json

@@ -210,6 +210,7 @@
         "rs384": true,
         "rs512": true,
         "es256": true,
+        "es256k": true,
         "es384": true,
         "es512": true
       },