Move TopicTreeMessage and TopicTreeBigMessage to TopicTree.h (#1510)

* Move TopicTreeMessage and TopicTreeBigMessage to TopicTree.h

* Move TopicTreeMessage and TopicTreeBigMessage to WebSocketContextData per comment

Co-authored-by: Jun Woo Shin <jwoos@meta.com>

src/App.h

@@ -23,18 +23,6 @@
 #include <string_view>
 
 namespace uWS {
-    /* Type queued up when publishing */
-    struct TopicTreeMessage {
-        std::string message;
-        /*OpCode*/ int opCode;
-        bool compress;
-    };
-    struct TopicTreeBigMessage {
-        std::string_view message;
-        /*OpCode*/ int opCode;
-        bool compress;
-    };
-
     /* Safari 15.0 - 15.3 has a completely broken compression implementation (client_no_context_takeover not
      * properly implemented) - so we fully disable compression for this browser :-(
      * see https://github.com/uNetworking/uWebSockets/issues/1347 */

src/WebSocketContextData.h

@@ -31,9 +31,19 @@
 
 namespace uWS {
 
+/* Type queued up when publishing */
+struct TopicTreeMessage {
+    std::string message;
+    /*OpCode*/ int opCode;
+    bool compress;
+};
+struct TopicTreeBigMessage {
+    std::string_view message;
+    /*OpCode*/ int opCode;
+    bool compress;
+};
+
 template <bool, bool, typename> struct WebSocket;
-struct TopicTreeMessage;
-struct TopicTreeBigMessage;
 
 /* todo: this looks identical to WebSocketBehavior, why not just std::move that entire thing in? */