add EnablePacketTagging function

include/yojimbo.h

@@ -66,6 +66,14 @@ namespace yojimbo
 
 bool InitializeYojimbo();
 
+/**
+    Enable packet tagging.
+    Enable before you create any client or servers, and DSCP packet tagging will be applied to all packets sent.
+    Packet tagging can significantly reduce jitter on modern Wi-Fi 6+ routers, by marking your game traffic to be sent in the real-time queue.
+ */
+
+void EnablePacketTagging();
+
 /**
     Shutdown the yojimbo library.
     Call this after you finish using the library and it will run some checks for you (for example, checking for memory leaks in debug build).

source/yojimbo.cpp

@@ -44,9 +44,12 @@ namespace yojimbo
 
 extern "C" int netcode_init();
 extern "C" int reliable_init();
+
 extern "C" void netcode_term();
 extern "C" void reliable_term();
 
+extern "C" int netcode_enable_packet_tagging();
+
 #define NETCODE_OK 1
 #define RELIABLE_OK 1
 
@@ -63,6 +66,11 @@ bool InitializeYojimbo()
     return sodium_init() != -1;
 }
 
+void EnablePacketTagging()
+{
+    netcode_enable_packet_tagging();
+}
+
 void ShutdownYojimbo()
 {
     reliable_term();