Add v2 version to go module name

Replace all elements from `v2` to root directory.

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

acl/json.go

@@ -0,0 +1,62 @@
+package acl
+
+import (
+	acl "github.com/nspcc-dev/neofs-api-go/v2/acl/grpc"
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/message"
+)
+
+func (f *HeaderFilter) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(f)
+}
+
+func (f *HeaderFilter) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(f, data, new(acl.EACLRecord_Filter))
+}
+
+func (t *Target) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(t)
+}
+
+func (t *Target) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(t, data, new(acl.EACLRecord_Target))
+}
+
+func (r *Record) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(r)
+}
+
+func (r *Record) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(r, data, new(acl.EACLRecord))
+}
+
+func (t *Table) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(t)
+}
+
+func (t *Table) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(t, data, new(acl.EACLTable))
+}
+
+func (l *TokenLifetime) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(l)
+}
+
+func (l *TokenLifetime) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(l, data, new(acl.BearerToken_Body_TokenLifetime))
+}
+
+func (bt *BearerTokenBody) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(bt)
+}
+
+func (bt *BearerTokenBody) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(bt, data, new(acl.BearerToken_Body))
+}
+
+func (bt *BearerToken) MarshalJSON() ([]byte, error) {
+	return message.MarshalJSON(bt)
+}
+
+func (bt *BearerToken) UnmarshalJSON(data []byte) error {
+	return message.UnmarshalJSON(bt, data, new(acl.BearerToken))
+}