new file: .dockerignore

new file:   .env.example
	new file:   Dockerfile
	new file:   app.py
	new file:   blueprints/__init__.py
	new file:   blueprints/auth.py
	new file:   blueprints/chat.py
	new file:   blueprints/context.py
	new file:   blueprints/documents.py
	new file:   blueprints/main.py
	new file:   config.py
	new file:   docker-compose.yml
	new file:   models/__init__.py
	new file:   models/chat_session.py
	new file:   models/document.py
	new file:   models/user.py
	new file:   requirements.txt
	new file:   services/__init__.py
	new file:   services/document_parser.py
	new file:   services/llm_service.py
	new file:   services/rag_service.py
	new file:   services/url_scraper.py
	new file:   static/css/style.css
	new file:   static/js/chat.js
	new file:   static/js/inline_chat.js
	new file:   static/js/main.js
	new file:   templates/base.html
	new file:   templates/document_view.html
	new file:   templates/index.html
	new file:   templates/login.html
	new file:   templates/register.html

models/__init__.py

@@ -0,0 +1,9 @@
+from flask_sqlalchemy import SQLAlchemy
+
+db = SQLAlchemy()
+
+from .user import User
+from .document import Document, UrlContext
+from .chat_session import ChatSession, ChatMessage
+
+__all__ = ["db", "User", "Document", "UrlContext", "ChatSession", "ChatMessage"]