Enhance Dockerfile for improved network reliability and add cookies directory; update Streamlit app for better YouTube authentication handling and user guidance

Enhance video download functionality in Streamlit app with optional cookies support for YouTube authentication

Refactor Dockerfile and Streamlit app to improve dependency installation and update accent detection model

Refactor README and enhance Streamlit app with accent detection features, audio processing, and improved deployment instructions

Refactor README and implement accent detection functionality in Streamlit app

Duplicate from streamlit/streamlit-template-space