feat(*): add gameserver priority param (#9)

scripting/connector.sp

@@ -7,6 +7,7 @@
 ConVar tf2pickupOrgApiAddress = null;
 ConVar tf2pickupOrgSecret = null;
 ConVar tf2pickupOrgVoiceChannelName = null;
+ConVar tf2pickupOrgPriority = null;
 Handle timer = null;
 
 public Plugin myinfo = 
@@ -27,6 +28,7 @@ public void OnPluginStart()
   tf2pickupOrgSecret.AddChangeHook(OnApiAddressOrSecretChange);
 
   tf2pickupOrgVoiceChannelName = CreateConVar("sm_tf2pickuporg_voice_channel_name", "", "gameserver voice channel name");
+  tf2pickupOrgPriority = CreateConVar("sm_tf2pickuporg_priority", "1", "gameserver priority", _, true, -9999.99, true, 9999.99);
 
   RegServerCmd("sm_tf2pickuporg_heartbeat", CommandHeartbeat);
 }
@@ -93,10 +95,13 @@ public Action HeartbeatGameServer(Handle timerHandle)
   tf2pickupOrgVoiceChannelName.GetString(voiceChannelName, sizeof(voiceChannelName));
   System2_URLEncode(voiceChannelName, sizeof(voiceChannelName), voiceChannelName);
 
+  int priority = tf2pickupOrgPriority.IntValue;
+
   System2HTTPRequest request = new System2HTTPRequest(HeartbeatHttpCallback, "%s/game-servers/", apiAddress);
   request.SetHeader("Authorization", "secret %s", secret);
   request.SetHeader("Content-Type", "application/x-www-form-urlencoded");
-  request.SetData("address=%s&port=%s&name=%s&rconPassword=%s&voiceChannelName=%s", address, port, name, rconPassword, voiceChannelName);
+  request.SetData("address=%s&port=%s&name=%s&rconPassword=%s&voiceChannelName=%s&priority=%d",
+    address, port, name, rconPassword, voiceChannelName, priority);
   request.SetUserAgent("tf2pickup.org connector plugin/%s", PLUGIN_VERSION);
   request.POST();
   delete request;