Update fake news bot to use ChatGoogleGenerativeAI from local module

Add poetry

Update imports and fix database reference

Update llm.py with new parameters

Fix cache deletion bug in fake_news_bot

Update response message for reporting incorrect information

Add feature to delete cache response

Update Dockerfile and error handling in bot.py

Update Dockerfile entrypoint to use CMD

Update Dockerfile and requirements.txt

Fix error handling in ask function

Update environment variables in .env.example file

Update Dockerfile and requirements.txt

Add new dependencies to requirements.txt

Remove unnecessary NVIDIA dependencies and update libraries