added publish action

.github/workflows/crate-publish.yml

@@ -0,0 +1,41 @@
+name: Main
+
+on:
+  push:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build-test:
+    name: Build and test (${{ matrix.os }})
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - uses: actions/checkout@v4
+      - run: rustup update stable && rustup default stable
+      - run: cargo build --verbose
+      - run: cargo test --verbose
+
+  publish:
+    name: Publish to crates.io
+    if: ${{ startsWith(github.ref, 'refs/tags/') || github.event_name == 'workflow_dispatch' }}
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Publish
+      # https://doc.rust-lang.org/cargo/reference/config.html?highlight=CARGO_REGISTRY_TOKEN#credentials
+      - - run: rustup update stable && rustup default stable
+      - run: >
+          cargo publish
+          --dry-run
+          --verbose
+          --locked
+          --token ${{ secrets.CARGO_REGISTRY_TOKEN }}