Fixed transactions rag jupyter notebook errors

Add categorizer files that were not committed

Merge branch 'pat/01-categorization-transactions' of https://huggingface.co/spaces/praneeth-hakeem-patrick/backend into pat/01-categorization-transactions

Add init files to help make modules findable directories

Refactored jupyter rag logic and categorizer methods

Add base code to support transactions categorization

Add init files to help make modules findable directories

feat: initialize traceloop observability

Refactored jupyter rag logic and categorizer methods

Add base code to support transactions categorization

ci: set app_port to 8000

build: set virtualenvs.create false

build: fix dockerfile and test to make it work

build: try to make application startup

build: Download the 'stopwords' resource before running the app

build: switch to using pip

build: fix backend dockerfile

build: fix dockerfile

build: fix Dockerfile to try to get the app to build

docs: update readme to conform with hf's readme format

feat: repo setup