Update README file.

README.md

@@ -7,9 +7,16 @@ This repo provides instructions on the installation and use of code on the Stret
 2. [Gazebo Basics](gazebo_basics.md)
 3. [Teleoperating Stretch](teleoperating_stretch.md)
 4. [Internal State of Stretch](internal_state_of_stretch.md)
-5. [Rviz Basics](rviz_basics.md)
+5. [RViz Basics](rviz_basics.md)
 6. [Navigation Stack]
-7. [FUNMAP]
+7. [MoveIt! Basics]
 8. [Perception]
-9. [MoveIt! Basics]
-10. [Microphone Array]
+9. [Microphone Array]
+10. [FUNMAP]
+
+
+## Other ROS Examples
+
+1. [Teleoperate Stretch with a Node](example_1.md) - Use a python script that sends velocity commands.  
+2. Mobile Base Collision Avoidance - Stop stretch from running into a wall.
+3. Give Stretch a Balloon - Create a "ballon" marker that goes where ever it goes.