Merge pull request #5 from Fyras-Solutions/feature/removed_Heuristics

Removed Heuristics selector

change zeroshort into local (#4)

Update llm_router/councils/__init__.py

Update llm_router/routers/__init__.py

Update llm_router/selectors/heuristics.py

Update llm_router/selectors/heuristics.py

Update llm_router/selectors/heuristics.py

Update llm_router/selectors/heuristics.py

Update llm_router/selectors/heuristics.py

Update Zero-short Locally

Add module imports for each folder

Got rid of the SLM provider

default selectors to smallest config models

refactor: add provider exceptions and env validation