Add Crates publish workflow (#1)

Author: AlexiaChen

.github/workflows/release.yml

@@ -0,0 +1,31 @@
+name: Release
+on:
+  push:
+    branches:
+      - release
+    paths:
+      - '**/Cargo.toml'
+      - '.github/workflows/release.yml'
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: cargo login
+        run: cargo login ${{ secrets.CRATES_IO }}
+      - name: cargo package
+        run: |
+          echo "Cargo Packaging"
+          cargo package
+          echo "Cargo Packaged"
+      - name: Publish
+        run: |
+          echo "Cargo Publishing"
+          cargo publish --no-verify
+          echo "Cargo Published"