docs: rewrite data preparation section with phase-based methodology #724

	name: Publish to GitHub Pages

	on:
	push:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.10"
	cache: "pip"
	- name: Install dependencies
	run: pip install -r docs/requirements.txt
	- name: Build MkDocs site
	run: mkdocs build
	- name: Deploy
	uses: peaceiris/actions-gh-pages@v3
	if: github.ref == 'refs/heads/main' && job.status == 'success'
	with:
	github_token: ${{ secrets.GITHUB_TOKEN }}
	publish_dir: ./site
	enable_jekyll: false

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