Refactor/split investment and client
* refactor: clean up tests
* Renamed tests/qcqa to tests/qa_qc for consistency
* comment out faulty test - see docstring note at top
* split to client/investment
* add __init__.py to investment and client to avoid mypy confusion
* fix imports
* update imports for consistency across investment module
* move back to one config
* try changing import to relative
* add init.py to src
* try relative import
* try one more sys.path.append
* fix path for client main
* fix imports in file_processing
* make prompts common
* move keywords out to `src`
* move smart_chunking_funcs to `src`
* fix mypy error
* start moving to explicit imports
* remove old keywords and fix imports for keywords and prompts
* change all imports to full paths
* fix unit tests
* add readme for new way of running things
* isort after all that import work
* remove unused sys.path.append from some tests
Approved-by: Katon Minhas
Alex Galarce