* some initial code for viewer. copying from other repos
* adding electron support
* moving some test files around. need to rewrite these
* camera traj. test cases. starting to transmit images
* still working on vis
* reorganized viewer and figured out websocket sending from client. need to do with camera pose
* black
* temporarily ignore pylinting for viewer
* ignore viewer
* fixed array
* license and fixed ignore in pyproject.toml
* improved syntax
