Add modal training capability for each model

[arjunpatel7]

Script up ways of training, deploying and inferencing models on Modal.

Should have:

• one key model backend. We'll choose the easiest one to use that works well (something along the lines of a llama)
• lora saving capability
• lora volume logging capability
• load correct lora and inference (ensure this doesn't add too much latency)

Nice to have:

• github actions to automate training when data sources train
• monitoring during training to understand performance (maybe weights and biases?)
• understanding of model performance against third party APIs