feat: introduce hitSlop prop (#2407)

# Summary

Explain the **motivation** for making this change: here are some points
to help you:

* What issues does the pull request solve? Please tag them so that they
will get automatically closed once the PR is merged
* What is the feature? (if applicable)
* How did you implement the solution?
* What areas of the library does it impact?

## Test Plan

Demonstrate the code is solid. Example: The exact commands you ran and
their output, screenshots / videos if the pull request changes UI.

### What's required for testing (prerequisites)?

### What are the steps to reproduce (after prerequisites)?

## Compatibility

| OS      | Implemented |
| ------- | :---------: |
| iOS     |    ✅     |
| MacOS   |    ✅❌      |
| Android |    ✅      |
| Web     |    ✅❌      |

apple/Elements/RNSVGSvgView.h

@@ -33,6 +33,7 @@
 @property (nonatomic, assign) CGAffineTransform initialCTM;
 @property (nonatomic, assign) CGAffineTransform invInitialCTM;
 @property (nonatomic, assign) CGAffineTransform viewBoxTransform;
+@property (nonatomic, assign) UIEdgeInsets hitTestEdgeInsets;
 
 /**
  * define <ClipPath></ClipPath> content as clipPath template.

apple/Elements/RNSVGSvgView.mm

@@ -317,6 +317,15 @@ using namespace facebook::react;
   [self drawToContext:context withRect:[self bounds]];
 }
 
+- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event
+{
+  if (UIEdgeInsetsEqualToEdgeInsets(self.hitTestEdgeInsets, UIEdgeInsetsZero)) {
+    return [super pointInside:point withEvent:event];
+  }
+  CGRect hitFrame = UIEdgeInsetsInsetRect(self.bounds, self.hitTestEdgeInsets);
+  return CGRectContainsPoint(hitFrame, point);
+}
+
 - (RNSVGPlatformView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
 {
   CGPoint transformed = point;
@@ -339,7 +348,8 @@ using namespace facebook::react;
       return (node.responsible || (node != hitChild)) ? hitChild : self;
     }
   }
-  return nil;
+  BOOL isPointInside = [self pointInside:point withEvent:event];
+  return isPointInside ? self : nil;
 }
 
 - (NSString *)getDataURLWithBounds:(CGRect)bounds