v0.2.0

Added

• Export system (io.kalo.export) — an API that writes a pack back out in five
  formats: a KaloPack archive for backup and sharing, portable canonical JSON, and
  Oraxen / ItemsAdder / Nexo YAML for moving content the other way. Every conversion
  reports exported / partial / unsupported by name rather than being silently lossy.
  Reachable from add-ons today; no command wraps it yet.
• Built-in feature set (io.kalo.content.feature) — abilities, skills, stats,
  particles, animations, cooldowns, sounds, models and mobs, registered through the
  same feature registry an add-on uses.
• Docs site restructured: landing page at the root, documentation under /docs,
  deployed to Cloudflare Pages with a realtime version badge.

Removed

• Vaporware commands and placeholder classes. /kalo benchmark simulated work with
  Thread.sleep and then printed an invented performance comparison;
  /kalo market browse|install talked to a marketplace service that does not exist;
  /kalo scan and /kalo migrate-live counted YAML files as "content", flagged every
  renamed vanilla item as custom, and did all of it off the main thread. The classes
  behind them (TextureGenerator, ContentMarketplace, MultiServerSync,
  PerformanceOptimizer, LiveServerScanner) were placeholders labelled as such in
  their own javadoc. They are gone. The honest paths remain: /kalo import for config
  conversion, /kalo doctor for diagnosis, and the performanceBenchmark Gradle task
  for real numbers.
• Build artifacts that had been committed by mistake: .idea/, .serena/,
  .wrangler/, a stray org/bukkit/attribute/Attribute.class at the repository root,
  and a gradle.properties.bak-*. All are ignored now.

Full Changelog: v0.1.0...v0.2.0