Update README.md

Author: mukeshydv

README.md

@@ -1,3 +1,15 @@
-# jsonmaster.github.io
+# JSON Master
 
 Visit: https://jsonmaster.github.io
+
+### Supported Languages and Frameworks:
+
+1. **Swift**
+    - [Codable](https://developer.apple.com/documentation/foundation/archives_and_serialization/using_json_with_custom_types)
+    - [SwiftyJSON](https://github.com/SwiftyJSON/SwiftyJSON)
+2. **Java**
+    - [Gson](https://github.com/google/gson)
+    - [Android/JSONObject](https://developer.android.com/reference/org/json/JSONObject)
+3. **C#**
+    - [Newtonsoft](https://www.newtonsoft.com/json/help/html/SerializingJSON.htm)
+    - C# Class