Update based on stripedhyena install through pip (#4)

* removing stripedhyena

* minor cleanup + updating stripedhyena imports

* refactor and move code into main() function

* minor cleanup + updating to new stripedhyena imports

* minor cleanup + updating to new stripedhyena imports

* moving evo configs into evo/configs + minor cleanup

* updating comment

* adjuisting indents

* moving evo model configs to evo/configs

* updating requirements

* add note thatits recommended to install pytorch before anything else

* recommend script usage with python -m

* moving code into main()

* conform to code style

* updating recommended script usage