Little changes in readme files

README.md

@@ -11,6 +11,42 @@ OpentCAPIF SDK provides a set of libraries to enable either CAPIF provider and i
 Current version of OpenCAPIF SDK is compatible with following publicly available releases:
 - [OpenCAPIF Release 1.0](https://ocf.etsi.org/documentation/v1.0.0-release/)
 
+
+# OpenCAPIF SDK Features
+
+- CAPIF_API_Invoker_management API
+
+    - Onboard_API_Invoker
+
+    - Update_API_Invoker
+
+    - Offboard_API_Invoker
+
+- CAPIF_API_Provider_Management_API
+
+    - Onboard_API_Provider
+
+    - Update_API_Provider
+
+    - Offboard_API_Provider
+
+- CAPIF_Discover_Service_API
+
+    - Discover_Service_API
+
+- CAPIF_Publish_Service_API
+
+    - Publish_Service_API
+
+    - Unpublish_Service_API
+
+    - Update_Service_API
+
+    - Get_Service_API
+
+    - Get_All_Service_API
+
+
 # Table of Contents
 
  1. [OpenCAPIF SDK Features](./doc/sdk-features.md)