create an action to publish new releases

Author: irevoire

.github/workflows/publish-binaries.yml

@@ -0,0 +1,23 @@
+on:
+  release:
+    types: [published]
+
+name: Publish binaries to release
+
+jobs:
+  publish-crates-io:
+    name: Publish on crates.io
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - uses: katyo/publish-crates@v1
+        with:
+          registry-token: ${{ secrets.CRATES_TOKEN }}
+          path: "derive"
+      - uses: katyo/publish-crates@v1
+        with:
+          registry-token: ${{ secrets.CRATES_TOKEN }}