runner.cli parsers set as a library

[ph-ausseil]

Background

As there are plan to build a web-app , and add modularity to the code, it would be beneficial to set the parser as a library.

Changes

Move the parser in a separate file

Documentation

Test Plan

Run.

PR Quality Checklist

• My pull request is atomic and focuses on a single change.
• I have thoroughly tested my changes with multiple different prompts.
• I have considered potential risks and mitigations for my changes.
• I have documented my changes clearly and comprehensively.
• I have not snuck in any "extra" small tweaks changes.
• I have run the following commands against my code to ensure it passes our linters:

  black .
  isort .
  mypy
  autoflake --remove-all-unused-imports --recursive --ignore-init-module-imports --ignore-pass-after-docstring autogpt tests --in-place

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[collijk]

Yes, these definitely belong in a client lib.