Removed redundant PDF.js worker initialization from
PDFViewer component and updated the worker source path in main.tsx.
Downgraded react-pdf to v8.0.2 to resolve compatibility issues and
fixed missing newline in nginx.conf.
Implements a Flask microservice that receives entities from SpaCy and
Exxeta services, merges them based on normalized text matching, and
forwards validated results to coordinator. Also updates gunicorn
configuration with timeout and worker settings.