refactor shape elements add responder system.

refactor shape elements add responder system.
Just iOS.

ios/ViewManagers/RNSVGCircleManager.m

@@ -0,0 +1,39 @@
+/**
+ * Copyright (c) 2015-present, Horcrux.
+ * All rights reserved.
+ *
+ * This source code is licensed under the MIT-style license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+#import "RNSVGCircleManager.h"
+
+#import "RNSVGCircle.h"
+#import "RCTConvert+RNSVG.h"
+
+@implementation RNSVGCircleManager
+
+RCT_EXPORT_MODULE()
+
+- (RNSVGRenderable *)node
+{
+    return [RNSVGCircle new];
+}
+
+RCT_EXPORT_VIEW_PROPERTY(cx, NSString)
+RCT_EXPORT_VIEW_PROPERTY(cy, NSString)
+RCT_EXPORT_VIEW_PROPERTY(r, NSString)
+
+// fix me: these should inherited from renderable
+RCT_EXPORT_VIEW_PROPERTY(fill, RNSVGBrush)
+RCT_EXPORT_VIEW_PROPERTY(fillRule, RNSVGCGFCRule)
+RCT_EXPORT_VIEW_PROPERTY(stroke, RNSVGBrush)
+RCT_EXPORT_VIEW_PROPERTY(strokeWidth, CGFloat)
+RCT_EXPORT_VIEW_PROPERTY(strokeLinecap, CGLineCap)
+RCT_EXPORT_VIEW_PROPERTY(strokeLinejoin, CGLineJoin)
+RCT_EXPORT_VIEW_PROPERTY(clipPath, CGPath)
+RCT_EXPORT_VIEW_PROPERTY(clipRule, RNSVGCGFCRule)
+RCT_EXPORT_VIEW_PROPERTY(strokeDasharray, RNSVGCGFloatArray)
+RCT_EXPORT_VIEW_PROPERTY(strokeDashoffset, CGFloat)
+
+@end