Update README.md

Author: RimuruDev

README.md

@@ -1,3 +1,26 @@
-# Unity-ReactivePropertyConverter
+# Unity -> Reactive Property Converter
 ReactivePropertyConverter for [ReactiveProperty](https://github.com/RimuruDev/Unity-ReactiveProperty-Helper)
 
+# Example
+
+```cs
+    [Serializable]
+    public class HalloweenUserProgress
+    {
+        [JsonProperty("Currency")] 
+        [JsonConverter(typeof(ReactivePropertyConverter))]
+        public ReactiveProperty<int> Currency = new();
+
+        [JsonProperty("LevelProgress")] 
+        [JsonConverter(typeof(ReactivePropertyConverter))]
+        public ReactiveProperty<List<LevelProgress>> LevelProgress = new();
+    }
+```
+
+## Before use `[JsonConverter(typeof(ReactivePropertyConverter))]`
+
+<img width="306" alt="image" src="https://github.com/user-attachments/assets/08a23669-4f23-412f-b5f1-4b2235c91314">
+
+## After use `[JsonConverter(typeof(ReactivePropertyConverter))]`
+
+<img width="230" alt="image" src="https://github.com/user-attachments/assets/321edaee-8b5a-4012-b9e0-cec0ff098ab0">