refactor: remove unused imports and clean up code in TargetMarketAnalyst class

fix: reduce typing delay in stream_string method for improved user experience

refactor: clean up TargetMarketAnalyst class and improve chat functionality; add openai to requirements

fix: clean up code and remove commented-out sections

fix: removed unecessary lines

fix: added api os

target_market cache

feat: added relevancy options for users

Remove return button functionality from TargetMarketAnalyst class

Add compiled Python files for Target Market and helper modules

Add Streamlit configuration and implement Target Market Analyst functionality