46c00c7729
Migrate all 17 docs/content/ files from --- YAML to +++ TOML frontmatter delimiters and key = value syntax. Update 8 embedded frontmatter examples in 7 documentation pages to match (configuration, content-organization, getting-started, security, sections, sitemap, feeds, templates). Update configuration.md frontmatter reference table: add draft and aliases fields, correct date type from string to date.