Merge pull request #76 from petercorke/BDAI-collab-test

Update readme to reflect collaboration with BDAI.

Author: myeatman-bdai

README.md

@@ -436,10 +436,8 @@ We see that the symbolic constants are converted back to Python numeric types on
 
 Similarly when we assign an element or slice of the symbolic matrix to a numeric value, they are converted to symbolic constants on the way in.
 
+## History & Contributors
 
+This package was originally created by [Peter Corke](https://github.com/petercorke) and [Jesse Haviland](https://github.com/jhavl) and was inspired by the [Spatial Math Toolbox for MATLAB](https://github.com/petercorke/spatialmath-matlab).  It supports the textbook [Robotics, Vision & Control in Python 3e](https://github.com/petercorke/RVC3-python).
 
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+The package is now a collaboration with Boston Dynamics AI Institute.