Add microcbor tag-based release workflow

Author: Vanderhell

.github/workflows/release.yml

@@ -0,0 +1,21 @@
+name: release
+
+on:
+  push:
+    tags:
+      - "v*"
+
+permissions:
+  contents: write
+
+jobs:
+  github-release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332
+
+      - name: Create GitHub release from existing tag
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: gh release create "$GITHUB_REF_NAME" --verify-tag --generate-notes

CHANGELOG.md

@@ -1,6 +1,12 @@
 # Changelog
 
-## [1.0.0] - 2026-03-20
+## [Unreleased]
+
+### Changed
+
+- Tightened public API contracts, transactional parsing behavior, validation APIs, packaging metadata, CI definitions, and repository documentation.
+
+## [Repository baseline before tag-based releases] - 2026-03-20
 
 ### Added