Add rst tutorial - #2

Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/cache@v4, actions/checkout@v4, actions/setup-python@v5, astral-sh/setup-uv@v2, extractions/setup-just@v2. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

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Unexpected input(s) 'version', valid inputs are ['just-version', 'github-token']