Update README.md

README.md

@@ -30,3 +30,40 @@ struct ContentView: View {
     }
 }
 ```
+
+### JSON Example
+```swift
+struct ContentView: View {
+    let json = """
+        {
+          "userId": 1,
+          "id": 2,
+          "title": "quis ut nam facilis et officia qui",
+          "completed": false
+        }
+        """
+        .data(using: .utf8)
+    
+    var body: some View {
+        ObjectView(data: json) { object in
+            VStack {
+                object.userId.value(as: Int.self).map { userId in
+                    Text("\(userId)")
+                }
+                
+                object.id.value(as: Int.self).map { id in
+                    Text("\(id)")
+                }
+                
+                object.title.value(as: String.self).map { title in
+                    Text(title)
+                }
+                
+                object.completed.value(as: Bool.self).map { completed in
+                    Text(completed.description)
+                }
+            }
+        }
+    }
+}
+```