feat:add Rotation for iOS

iOS/Pod/Classes/Shader/DoricScrollerNode.m

@@ -109,4 +109,11 @@ - (void)blendView:(DoricScrollView *)view forPropName:(NSString *)name propValue
 - (void)blendSubNode:(NSDictionary *)subModel {
     [self.childNode blend:subModel[@"props"]];
 }
+
+- (DoricViewNode *)subNodeWithViewId:(NSString *)viewId {
+    if ([viewId isEqualToString:self.childViewId]) {
+        return self.childNode;
+    }
+    return nil;
+}
 @end

iOS/Pod/Classes/Shader/DoricSuperNode.m

@@ -150,9 +150,11 @@ - (void)clearSubModel {
 }
 
 - (DoricViewNode *)subNodeWithViewId:(NSString *)viewId {
+    NSAssert(NO, @"Should override class:%@ ,method:%@.", NSStringFromClass([self class]),
+               NSStringFromSelector(_cmd));
     return nil;
 }
 - (void)requestLayout {
     [self.view setNeedsLayout];
 }
-@end
+@end

iOS/Pod/Classes/Shader/DoricViewNode.m

@@ -232,4 +232,14 @@ - (NSNumber *)getHeight {
     return @(self.view.height);
 }
 
+- (void)setRotation:(NSNumber *)rotation {
+    self.view.transform = CGAffineTransformRotate(self.view.transform, M_PI * rotation.floatValue * 2);
+}
+
+- (NSNumber *)getRotation {
+    float radius = atan2f((float) self.view.transform.b, (float) self.view.transform.a);
+    float degree = (float) (radius / M_PI / 2);
+    return @(degree);
+}
+
 @end