Create a lidar annotation tool

[miguelriemoliveira]

When working in #954 we realized we need a lidar annotation tool.

The idea is to do something similar to the rgb image annotation tool.

https://lardemua.github.io/atom_documentation/evaluations/#annotation-of-rgb-images

[miguelriemoliveira]

Moving along:

[miguelriemoliveira]

We have the corners ...

[miguelriemoliveira]

Adding functionality for preserving the point of view when window changes.

[miguelriemoliveira]

Working for multiple collections ...

[miguelriemoliveira]

We have a help message ...

[miguelriemoliveira]

Created video tutorial.

https://youtu.be/cUqXjN1hYxo