chore: add org baseline (templates, CI, labels) (#6)

Org-wide bootstrap. 🤖 Generated with Claude Code

Co-authored-by: Alexa Louise <YOUR_REAL_EMAIL@EXAMPLE.COM>
Co-authored-by: Claude <noreply@anthropic.com>

.github/ISSUE_TEMPLATE/doc_update.md

@@ -0,0 +1,22 @@
+---
+name: Documentation Update
+about: Improve or add documentation
+title: "[Docs] "
+labels: type:doc, team:docs, status:backlog
+assignees: ''
+---
+
+## Summary
+<!-- What documentation needs to be added/updated? -->
+
+## Location
+<!-- Which file(s) or section(s)? -->
+
+## Current State
+<!-- What's missing or incorrect? -->
+
+## Proposed Content
+<!-- Outline or draft of the new content -->
+
+## Related
+<!-- Links to related issues, PRs, or external docs -->