re-add imports because apparently we do need them despite cocoapods' warning

Author: designatednerd

Sources/ApolloWebSocket/SplitNetworkTransport.swift

@@ -1,3 +1,7 @@
+// NOTE: Cocoapods spec linting will complain about this import,
+//       but you should not remove it or things won't build.
+import Apollo
+
 public class SplitNetworkTransport: NetworkTransport {
   private let httpNetworkTransport: NetworkTransport
   private let webSocketNetworkTransport: NetworkTransport

Sources/ApolloWebSocket/WebSocketTransport.swift

@@ -1,3 +1,6 @@
+// NOTE: Cocoapods spec linting will complain about this import,
+//       but you should not remove it or things won't build.
+import Apollo
 import Starscream
 
 // To allow for alternative implementations supporting the same WebSocketClient protocol