[Server] Configuration Issues Checker (LAN Detection) (#2283)

* LAN detect

* Add more checks, consolidate logic

* Tweaks

* Tweaks

* Update world_config.cpp

* Tweak logic

* Add DNS resolution

* Delete task runner after being used

* JSON path notation adjust

common/eqemu_config.cpp

@@ -100,6 +100,10 @@ void EQEmuConfig::parse_config()
 		WorldHTTPEnabled = true;
 	}
 
+	if (_root["server"].get("disable_config_checks", "false").asString() == "true") {
+		DisableConfigChecks = true;
+	}
+
 	/**
 	 * UCS
 	 */