* 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
* renaming dataloader to data. adding some dataloader classes
* restructuring configs
* fixed instant ngp tcnn direction rescaling
* working through test cases
* black and lint and tests
* in progress. camera_indices broken
* faster dataloader. starting on pixel sampler logic
* imagesampler and pixelsampler
* lint and black
* continuing merge
* pytest working
* fixed docs
* docs
* minor changes