Merge branch 'main' into custom-favicon

.github/ISSUE_TEMPLATE/config.yml

.github/release-drafter.yml

.github/workflows/ci-master.yml

.github/workflows/publish-gem.yml

.prettierignore

.prettierrc

README.md

_config.yml

_includes/footer_custom.html

_includes/header_custom.html

_includes/nav.html

_layouts/default.html

_sass/code.scss

_sass/content.scss

_sass/vendor/normalize.scss/README.md

_sass/vendor/normalize.scss/normalize.scss

_sass/vendor/normalize.scss/package.json

docs/configuration.md

docs/customization.md

docs/navigation-structure.md