Deploy docs to GitHub Pages on release (#104)

Automatically publish documentation when a new release is created,
ensuring docs stay in sync with published package versions.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

.github/workflows/docs.yml

@@ -2,9 +2,8 @@ name: Deploy Documentation
 
 on:
   workflow_dispatch:
-  # Future: Uncomment to auto-deploy on release
-  # release:
-  #   types: [published]
+  release:
+    types: [published]
 
 permissions:
   contents: write