Initial commit for deployment

.env.example

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+# Flask configuration
+FLASK_APP=run.py
+FLASK_ENV=development
+FLASK_CONFIG=development
+SECRET_KEY=your-secret-key-here
+
+# Database configuration
+DATABASE_URL=mysql+pymysql://username:password@localhost/chatbot
+
+# Pinecone configuration
+PINECONE_API_KEY=your-pinecone-api-key
+PINECONE_ENVIRONMENT=your-pinecone-environment
+PINECONE_INDEX_NAME=chatbot-index
+
+# Model configuration
+DEFAULT_MODEL=gpt-3.5-turbo
+OPENAI_API_KEY=your-openai-api-key