Merge pull request #482 from bsara/bugfix/426-webflux-context-visibility

[fixes #426] made GraphQLSpringServerWebExchangeContext public

Author: oliemansm

graphql-kickstart-spring-webflux/src/main/java/graphql/kickstart/spring/webflux/GraphQLSpringWebSocketSessionContext.java

@@ -3,7 +3,7 @@
 import graphql.kickstart.execution.context.GraphQLContext;
 import org.springframework.web.reactive.socket.WebSocketSession;
 
-interface GraphQLSpringWebSocketSessionContext extends GraphQLContext {
+public interface GraphQLSpringWebSocketSessionContext extends GraphQLContext {
 
   WebSocketSession getWebSocketSession();