Refactor extraction system and reorganize project structure

- Remove obsolete documentation files (DEPLOYMENT.md, PLAN_IMPLEMENTARE_S8_DETALIAT.md, README.md)
- Add comprehensive extraction pipeline with multiple format support (PDF, HTML, text)
- Implement Claude-based activity extraction with structured templates
- Update dependencies and Docker configuration
- Reorganize scripts directory with modular extraction components
- Move example documentation to appropriate location

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Pipfile

@@ -7,13 +7,15 @@ name = "pypi"
 flask = "~=2.3.0"
 flask-wtf = "~=1.1.0"
 flask-sqlalchemy = "~=3.0.0"
-pypdf2 = "~=3.0.0"
-python-docx = "~=0.8.11"
-beautifulsoup4 = "~=4.12.0"
 markdown = "~=3.4.0"
-pdfplumber = "~=0.9.0"
 gunicorn = "~=21.2.0"
 python-dotenv = "~=1.0.0"
+lxml = "*"
+python-docx = "*"
+pdfplumber = "*"
+pypdf2 = "*"
+beautifulsoup4 = "*"
+chardet = "*"
 
 [dev-packages]
 pytest = "~=7.4.0"
@@ -23,4 +25,4 @@ flake8 = "~=6.0.0"
 mypy = "~=1.5.0"
 
 [requires]
-python_version = "3.11"
+python_version = "3.11"