Add GitHub automatic release (#173)

This automatically creates a GitHub release when a matching tag is created in this repository.

.github/workflows/release.yml

@@ -0,0 +1,20 @@
+name: Publish GitHub Release
+
+permissions:
+  contents: write # for creating a release and uploading release artifacts
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+*'
+
+jobs:
+  release:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: actions/checkout@v3
+      - name: GH Release
+        run: |
+          gh release create "${GITHUB_REF#refs/tags/}" --generate-notes
+        env:
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}