release: prepare v0.1.1 unified context for GitHub

.github/release_template.md

@@ -0,0 +1,26 @@
+## Eggent v{{VERSION}} - {{NAME}}
+
+One-line summary of what changed and why it matters.
+
+### Highlights
+
+- Highlight 1
+- Highlight 2
+- Highlight 3
+
+### Platform Coverage
+
+- Dashboard:
+- API:
+- Integrations:
+
+### Upgrade Notes
+
+- Compatibility:
+- Migration:
+- Operational changes:
+
+### Links
+
+- Full notes: `docs/releases/{{FILE}}`
+- README: `README.md`