updated readme

README.md

@@ -5,3 +5,30 @@
 * scout_bringup: launch and configuration files to start ROS nodes 
 * scout_base: a ROS wrapper around Scout SDK to monitor and control the robot
 * scout_msgs: scout related message definitions
+* (scout_robot: meta package for the Scout robot ROS packages)
+
+## Basic Usage
+
+1. Clone the packages into your catkin workspace and compile
+
+    (the following instructions assume your catkin workspace is at: ~/catkin_ws/src)
+
+    ```
+    $ cd ~/catkin_ws/src
+    $ git clone https://github.com/westonrobot/scout_ros.git
+    $ cd ..
+    $ catkin_make
+    ```
+
+2. Launch ROS nodes
+ 
+* Start the base node 
+
+    ```
+    $ roslaunch scout_bringup scout_minimal.launch
+    ```
+* Start the keyboard tele-op node
+
+    ```
+    $ roslaunch scout_bringup scout_teleop_keyboard.launch
+    ```