AIRO-1624 "Listen for TF messages" option in Settings (#256)

* Update ROSSettingsEditor.cs

* Update CHANGELOG.md

Author: LaurieCheers-unity

com.unity.robotics.ros-tcp-connector/CHANGELOG.md

@@ -12,6 +12,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/) a
 
 ### Added
 
+Added "Listen for TF Messages" to Settings
+
 Enabled Android and IOS builds
 
 Added Sonarqube scanner

com.unity.robotics.ros-tcp-connector/Editor/ROSSettingsEditor.cs

@@ -131,6 +131,10 @@ protected virtual void OnGUI()
                     "Sleep this long before checking for new network messages. (Decreasing this time will make it respond faster, but consume more CPU)."),
                 prefab.SleepTimeSeconds);
 
+            EditorGUILayout.Space();
+
+            prefab.listenForTFMessages = EditorGUILayout.Toggle("Listen for TF Messages", prefab.listenForTFMessages);
+
             // TODO: make the settings input update the prefab
             // EditorGUILayout.Space();
             // if (!editor) { editor = UnityEditor.Editor.CreateEditor(this); }