feat: add setup-python action

[lukzmu]

No description provided.

[Copilot]

Pull Request Overview

This PR introduces a new composite GitHub Action called "setup-python" that standardizes Python environment setup using the uv package manager. The action provides a reusable way to configure Python projects with specific versions and module paths.

Key changes:

• Creates a composite action that installs Python, uv package manager, and configures PYTHONPATH
• Adds comprehensive documentation with usage examples and licensing information

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
setup-python/action.yml	Defines the composite action with Python setup, uv installation, and PYTHONPATH configuration
README.md	Provides documentation, usage examples, and describes available actions

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