quill: add release-notes draft template

wizard-work/quill/release-notes-template.md

@@ -0,0 +1,37 @@
+---
+name: release-notes
+description: Draft structured release notes from a bullet list of changes.
+---
+
+# Release Notes Template
+
+Use this template to ship release notes fast. Fill the sections below;
+delete any that are empty. Keep user-facing impact front and center.
+
+## [X.Y.Z] — YYYY-MM-DD
+
+### Added
+- _New capabilities_
+
+### Changed
+- _Modifications to existing behavior_
+
+### Fixed
+- _Bug fixes with impact_
+
+### Security
+- _Vuln patches, dependency updates_
+
+### Deprecated
+- _Features scheduled for removal_
+
+### Removed
+- _Deleted features_
+
+---
+
+## Instructions
+1. Replace `X.Y.Z` and date.
+2. List only user-visible changes.
+3. Link tickets or PRs when available.
+4. Run `test -s <file>` before sending.