Add release workflow

.github/workflows/release.yml

@@ -0,0 +1,18 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - v*
+
+
+jobs:
+  crates-io:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Push to crates.io
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+        run: cargo publish