add publish.yml

.github/workflows/publish.yml

@@ -0,0 +1,25 @@
+name: Publish to Cargo
+
+on:
+  push:
+    branches: [ master ]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    name: 'publish'
+
+    # Reference your environment variables
+    environment: cargo
+
+    steps:
+        - uses: actions/checkout@v3
+        - uses: actions-rs/toolchain@v1
+          with:
+              toolchain: stable 
+              override: true
+        - uses: katyo/publish-crates@v2
+          with:
+              registry-token: ${{ secrets.CARGO_REGISTRY_TOKEN }}
+              dry-run: true