Main features
- combines OCR and Handwriting, adding a toggle button to switch between the two
- makes uploading from both online url and local sources compatible with both analysis types
- PDFs can both be analyzed with OCR and Handwriting
- downloaded files are logically named for easy organization
- adds a text box to see current status of the text conversion
- improves UI to be more intuitive and seamless
- removes unused code
- adds documentation