Merge pull request #2 from Jog-sama/mrinal_BE_deployment_op

updated requirements, created docker file for HF deployment, modified lifespan to load model, stopped tracking joblib files

Merge pull request #1 from Jog-sama/os-branch

Add FastAPI backend wrapping ML inference pipeline

uploaded classical and baseline models

complete ML pipeline: data processing, feature engineering, 3 models, evaluation, experiments