Add release.yml workflow template

workflows/release.yml

@@ -0,0 +1,41 @@
+# BlackRoad OS — Pave Tomorrow.
+# Auto-create releases on tag push
+name: Release
+
+on:
+  push:
+    tags: ['v*']
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Generate changelog
+        id: changelog
+        run: |
+          PREV_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
+          if [ -n "$PREV_TAG" ]; then
+            CHANGES=$(git log $PREV_TAG..HEAD --pretty=format:"- %s (%h)" --no-merges)
+          else
+            CHANGES=$(git log --pretty=format:"- %s (%h)" --no-merges -20)
+          fi
+          echo "CHANGES<<EOF" >> $GITHUB_ENV
+          echo "$CHANGES" >> $GITHUB_ENV
+          echo "EOF" >> $GITHUB_ENV
+
+      - name: Create release
+        run: |
+          curl -s -X POST "${{ github.server_url }}/api/v1/repos/${{ github.repository }}/releases" \
+            -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
+            -H "Content-Type: application/json" \
+            -d "{
+              \"tag_name\": \"${{ github.ref_name }}\",
+              \"name\": \"${{ github.ref_name }}\",
+              \"body\": \"## What's Changed\n${{ env.CHANGES }}\n\n---\n*BlackRoad OS — Pave Tomorrow.*\",
+              \"draft\": false,
+              \"prerelease\": false
+            }"