A new file cli.rs was added to the llm/src directory

[Adesoji1]

steboss,

CLI Module:
Running cargo run -- --learning_rate 0.005 --batch_size 64 --epochs 20 should print out the provided configuration.

Run the llm binary with custom arguments:

cargo run --package llm -- --learning_rate 0.005 --batch_size 64 --epochs 20

The output should reflect the provided settings.

Documentation:
New contributors should be able to follow the CONTRIBUTING.md and updated README.md to set up and run the project.

[Steboss]

Hey @Adesoji1

Thanks so much for your contribution. I'll review the code, and get back to you asap - as I am a bit busy at work at the moment
Thank you :)