cp CHANGELOG.md docs/changelogs/changelog.md
cp CONTRIBUTING.md docs/contribute/contributing.md

# Build the site and push the new files up to GitHub
python3 -m venv venv
source venv/bin/activate
pip install mkdocs-material mkdocs-redirects
mkdocs gh-deploy

# Restore Javadocs from 1.x, 2.x, and 3.x.
git checkout gh-pages
git cherry-pick bb229b9dcc9a21a73edbf8d936bea88f52e0a3ff