GitLab

* Adding notebooks for gradient analysis

* Updated the Readme

* Refactored training script for sfno

* removing concatanated skip connections

* Added some logic for initializing weights adaptively

* Cleanup and fixing initialization in SFNO. Removing non-linear variant of SFNO

* Updated initialization scheme for SFNO

* Some more cleanup in SFNO

* updated the SFNO architecture

Major Cleanup of SFNO. Retiring non-linear architecture and fixing initialization. Adding scripts for training and validation.

* Adding notebooks for gradient analysis

* Updated the Readme

* Adding plotting routines and reworked Readme

* Added illustration of spherical harmonics to Readme