docs: translators rename themselves from the Credits page (PR #1340)
docs(credits): explain who is credited when two people translate one line
docs: AI-fraction ring on the language-list badge (PR #826, v0.499.0)
docs: language-selection AI badge for machine translations (v0.490.0)
docs: add comprehensive Localization guide, link from Home + feature page
docs: add Localization credits feature page