Add Fusion Plus support (#86)

Author: Tanz0rz

README.md

@@ -21,6 +21,8 @@ Jump To:
 
 *Fusion API* - [[Docs](https://portal.1inch.dev/documentation/apis/swap/intent-swap/introduction) | [SDK Example](https://github.com/1inch/1inch-sdk-go/blob/main/sdk-clients/fusion/examples/place_order/main.go)] (now called Intent Swap)
 
+*Fusion Plus API* - [[Docs](https://portal.1inch.dev/documentation/apis/swap/fusion-plus/introduction) | [SDK Example](https://github.com/1inch/1inch-sdk-go/blob/main/sdk-clients/fusionplus/examples/place_order/main.go)]
+
 *Orderbook API* - [[Docs](https://portal.1inch.dev/documentation/apis/orderbook/introduction) | [SDK Example](https://github.com/1inch/1inch-sdk-go/blob/main/sdk-clients/orderbook/examples/create_order/main.go)]
 
 ### Infrastructure