Add publish_release workflow

Author: smnandre

.github/workflows/publish_release.yml

@@ -0,0 +1,24 @@
+name: Publish Release
+
+on:
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Create release archive
+        run: |
+          mkdir -p release
+          cp nmsize.sh release/
+          cd release
+          tar -czvf ../nmsize.tar.gz nmsize.sh
+
+      - name: Upload release asset
+        uses: softprops/action-gh-release@v2
+        with:
+          files: nmsize.tar.gz