[#192] Support client cut

Signed-off-by: Denis Kirillov <d.kirillov@yadro.com>

api/layer/layer.go

@@ -45,6 +45,10 @@ type (
 		Resolve(ctx context.Context, name string) (cid.ID, error)
 	}
 
+	FeatureSettings interface {
+		ClientCut() bool
+	}
+
 	layer struct {
 		frostFS     FrostFS
 		gateOwner   user.ID
@@ -54,6 +58,7 @@ type (
 		ncontroller EventListener
 		cache       *Cache
 		treeService TreeService
+		features    FeatureSettings
 	}
 
 	Config struct {
@@ -63,6 +68,7 @@ type (
 		AnonKey      AnonymousKey
 		Resolver     BucketResolver
 		TreeService  TreeService
+		Features     FeatureSettings
 	}
 
 	// AnonymousKey contains data for anonymous requests.
@@ -301,6 +307,7 @@ func NewLayer(log *zap.Logger, frostFS FrostFS, config *Config) Client {
 		resolver:    config.Resolver,
 		cache:       NewCache(config.Caches),
 		treeService: config.TreeService,
+		features:    config.Features,
 	}
 }