Update README.md

Author: Amal-Karunakaran-EX0210

README.md

@@ -19,11 +19,11 @@ Mainly the SDK will expose two  classes  and  two  supporting  classes :
 
 
 Based on the requirement any one or all classes can be used. And need to import those from the  SDK.
-=== "swift"
+:::code group
 ```swift swift code
     import QuickCaptureFW;
 ```
-=== "C"
+:::code group
 ```swift swift code
     import QuickCaptureFW;
 ```