[Edited] Add docstring to improve documentation

[MayureshMore]

Changes made in branch: MayureshMore:1136-docker-build-is-broken [Edited] Add docstring to improve documentation

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[!IMPORTANT] Update Docker setup, documentation, add docstrings, and modify dependencies.

• Dockerfile:
  • Switch base image from python:3.11-alpine to python:3.11-slim.
  • Replace apk with apt-get for package installation.
  • Add git installation in the final stage.
• Documentation:
  • Update docker/README.md with detailed setup instructions for Docker CLI and Docker Compose.
  • Add debugging instructions for Docker.
• Code:
  • Add auto-generated docstrings to MbppAssertion methods and _get_dataset() in load.py.
  • Refactor load_mbpp() in load.py for readability.
• Dependencies:
  • Add langchain-community to pyproject.toml.

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