Add acknowledgements section to docs (#52)

Author: c42f

README.md

@@ -194,3 +194,7 @@ screen_points = map(cam_transform, points)
 There is also a `cameramap()` convenience function that can create a composed
 transformation that includes the intrinsic scaling (e.g. focal length and pixel
 size) and offset (defining which pixel is labeled `(0,0)`) of an imaging system.
+
+## Acknowledgements
+
+[![FugroRoames](https://avatars.githubusercontent.com/FugroRoames?s=150)](https://github.com/FugroRoames)