Update app.py

app.py

@@ -5,6 +5,14 @@ import fitz  # PyMuPDF
 import re
 import json
 
+# LICENSE.numpy - https://github.com/numpy/numpy/blob/main/LICENSE.txt
+# LICENSE.streamlit - https://github.com/streamlit/streamlit/blob/develop/LICENSE
+# LICENSE.pandas - https://github.com/pandas-dev/pandas/blob/main/LICENSE
+# LICENSE.sklearn - https://github.com/scikit-learn/scikit-learn/blob/main/COPYING
+# LICENSE.pymupdf - https://github.com/pymupdf/PyMuPDF/blob/main/COPYING
+# LICENSE.re - 
+# LICENSE.json - https://github.com/bradjasper/ImportJSON/blob/master/LICENSE
+
 def extract_pdf_text(pdf_path):
     """Extract text from a PDF file."""
     with fitz.open(pdf_path) as pdf_document: