Add v2 version to go module name

Replace all elements from `v2` to root directory.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

reputation/json.go

@@ -0,0 +1,38 @@
+package reputation
+
+import (
+	reputation "github.com/nspcc-dev/neofs-api-go/v2/reputation/grpc"
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/message"
+)
+
+func (x *PeerID) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(x)
+}
+
+func (x *PeerID) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(x, data, new(reputation.PeerID))
+}
+
+func (x *Trust) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(x)
+}
+
+func (x *Trust) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(x, data, new(reputation.Trust))
+}
+
+func (x *PeerToPeerTrust) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(x)
+}
+
+func (x *PeerToPeerTrust) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(x, data, new(reputation.PeerToPeerTrust))
+}
+
+func (x *GlobalTrust) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(x)
+}
+
+func (x *GlobalTrust) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(x, data, new(reputation.GlobalTrust))
+}