CI: Add automatic publish on tag creation

Author: syphar

.github/workflows/release.yml

@@ -0,0 +1,15 @@
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Publish to crates.io
+        run: |
+          cargo publish
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}