doc: update readme header

Author: meloalright

README.md

@@ -1,4 +1,4 @@
-<img width="1440" alt="截屏2024-06-15 19 26 35-min" src="https://github.com/rustq/swiftui-skia/assets/11075892/7c25b3c9-2fa9-48e7-8f44-e47819611073">
+<img width="1440" src="https://github.com/user-attachments/assets/a9ec1f8c-cfd0-4c4c-8219-4ba8292ee543">
 
 # SwiftUI Skia
 
@@ -18,7 +18,7 @@ struct ContentView: View {
     var body: some View {
         SwiftUISkia.Surface(width: 360, height: 360) {
             SwiftUISkia.Rect(x: 10, y: 220, width: 30, height: 30, style: "fill", color: "cyan") {}
-            SwiftUISkia.Line(p1: [100, 260], p2: [50, 285], strokeWidth: 8, color: "black") {}
+            SwiftUISkia.Image(image: "https://raw.githubusercontent.com/rustq/swiftui-skia/main/examples/first-example/first-example/Assets.xcassets/swiftui-96x96_2x.imageset/swiftui-96x96_2x.png", x: 0, y: 0, width: 64, height: 64, blur: 5, brighten: 98) {}
             SwiftUISkia.RoundRect(x: 220, y: 50, r: 10, width: 80, height: 80, style: "stroke", color: "fuchsia") {}
             SwiftUISkia.Points(points: [
                 [138, 10],
@@ -32,7 +32,7 @@ struct ContentView: View {
                 [10, 103],
                 [98, 90],
                 [138, 10],
-              ], strokeWidth: 1, style: "fill", color: "rgba(200, 255, 0, 0.7)") {}
+            ], strokeWidth: 1, style: "fill", color: "rgba(200, 255, 0, 0.7)") {}
             SwiftUISkia.Circle(cx: 200, cy: 220, r: 70, style: "stroke", color: "violet") {}
             SwiftUISkia.Circle(cx: 200, cy: 220, r: 50, style: "fill", color: "violet") {}
             SwiftUISkia.Text(text: "Hello SwiftUI Skia!",x: 80, y: 0, fontSize: 16, color: "black", maxWidth: 60) {}