Update README.md

Author: nsk126

README.md

@@ -1,9 +1,16 @@
-# 3Dconnexion SpaceMouse #
+# 3Dconnexion SpaceMouse Pro 3D Mouse
 
 ![build](https://github.com/nsk126/SpaceMousePro/actions/workflows/main.yml/badge.svg)
 
----
-## spacenav_node
+## spacenav_node package
 
 This package is a fork of the original spacenav_node package.
 For more info visit [spacenav_node](http://wiki.ros.org/spacenav_node).
+
+## build requirements
+
+You will need the following to build this ros package.
+
+```bash
+sudo apt install spacenavd libspnav-dev ros-$ROS_DISTRO-roslint -y
+```