Add built-in `GridSampler` #106

	name: Documentation

	on:
	push:
	branches:
	- main
	pull_request: {}
	release:
	types:
	- published
	workflow_dispatch:

	jobs:
	build:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	steps:
	- uses: actions/checkout@v4
	- uses: actions/setup-python@v5
	with:
	python-version: 3.11
	- name: Install
	env:
	SECRET_GITHUB_TOKEN: ${{ secrets.SECRET_GITHUB_TOKEN }}
	run: \|
	python -m pip install -U pip
	pip install --progress-bar off .
	pip install --progress-bar off PyGitHub
	pip install --progress-bar off git+https://${SECRET_GITHUB_TOKEN}@github.com/optuna/optunahub.git
	pip install --progress-bar off ".[docs]"
	- name: Build
	env:
	SECRET_GITHUB_TOKEN: ${{ secrets.SECRET_GITHUB_TOKEN }}
	OPTUNAHUB_NO_ANALYTICS: 1
	run: \|
	cd docs
	make html
	cd ..
	- name: Deploy
	uses: actions/upload-pages-artifact@v3
	with:
	path: docs/build/html

	deploy:
	if: github.event_name != 'pull_request'
	needs: build
	permissions:
	pages: write
	id-token: write
	environment:
	name: github-pages
	url: ${{ steps.deployment.outputs.page_url }}
	runs-on: ubuntu-latest
	steps:
	- name: Deploy to GitHub Pages
	id: deployment
	uses: actions/deploy-pages@v4

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