Added destructors for render path and render paint

Example-iOS/Source/ContentView.swift

@@ -17,7 +17,7 @@ struct ContentView: View {
 
 struct MyRive: UIViewControllerRepresentable {
     func makeUIViewController(context: Context) -> RiveViewController {
-        return RiveViewController(resource: "bird", withExtension: "riv")
+        return RiveViewController(resource: "truck", withExtension: "riv")
     }
     
     func updateUIViewController(_ uiViewController: RiveViewController, context: Context) {}

Source/RiveKit/RiveRenderer.hpp

@@ -88,8 +88,8 @@ namespace rive
         std::vector<CGFloat> colorStops;
         std::vector<CGFloat> stops; 
         
-        
         RiveRenderPaint();
+        ~RiveRenderPaint();
 
         void color(unsigned int value) override;
         void style(RenderPaintStyle value) override;
@@ -131,6 +131,8 @@ namespace rive
         
     public:
         RiveRenderPath();
+        ~RiveRenderPath();
+    
         CGMutablePathRef getPath() { return path; }
         FillRule getFillRule() { return m_FillRule; }
         

Source/RiveKit/RiveRenderer.mm

@@ -32,6 +32,12 @@ RiveRenderPaint::RiveRenderPaint() {
     // NSLog(@"INITIALIZING A NEW RENDER PAINT");
 }
 
+RiveRenderPaint::~RiveRenderPaint() {
+    NSLog(@"Releasing paint resources");
+    CGColorRelease(cgColor);
+    CGGradientRelease(gradient);
+}
+
 void RiveRenderPaint::style(RenderPaintStyle value) {
 //    NSLog(@" --- RenderPaint::style");
     switch(value) {
@@ -195,6 +201,11 @@ RiveRenderPath::RiveRenderPath() {
     path = CGPathCreateMutable();
 }
 
+RiveRenderPath::~RiveRenderPath() {
+    NSLog(@"Releasing path resources");
+    CGPathRelease(path);
+}
+
 void RiveRenderPath::close() {
     // NSLog(@" --- RenderPath::close");
     CGPathCloseSubpath(path);