refactor all components and isolated from ART dependency

ios/ViewManagers/RNSVGSvgViewManager.m

@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+#import "RNSVGSvgViewManager.h"
+
+#import "RNSVGSvgView.h"
+
+@implementation RNSVGSvgViewManager
+
+RCT_EXPORT_MODULE()
+
+- (UIView *)view
+{
+  return [RNSVGSvgView new];
+}
+
+@end