Add more experimentation code

Push code that fixes upload but has issues with categorization

Fixed file processing and standardization logic

Add logging to show encoding/decoding issue

Relocated csv file to outer folder

Fixed code in file_processing file although date formatting needs tweaking

Push experimentation code for file upload fix

add llm service for generating income statements (#14)

save processed results to database (#8)

01-Categorization-Transactions (#1)