v2.12.0
docs: Add Jekyll and theme config
*: rename master branch to main
docs: use high numbers for nav_order of spec pages
docs/config*: document storage.luks.clevis.threshold default
Drop EOL Go versions
docs: update for v3.3.0 stabilization
docs/getting-started.md: modify first boot link
*: move to libera.chat
docs/migrating-configs: wording updates for filesystem format `none`
docs: add information about Ignition's behavior for the `none` FS
docs/rationale: recommend Butane for all distros
docs: Add Ignition release / Spec version table
docs: Add Jekyll front matter for existing pages