[ci] release workflow init commit

Author: jim80net

.github/workflows/release.yml

@@ -0,0 +1,23 @@
+name: release
+
+on:
+  push:
+    branches: [ master, cidev ]
+  pull_request:
+    branches: [ master, cidev ]
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Ruby 2.5.8
+      uses: actions/setup-ruby@v1
+      with:
+        ruby-version: 2.5.8
+    - name: Build with bundler
+      run: |
+          gem install --no-rdoc --no-ri bundler
+          bundle install --jobs 4 --retry 3 --deployment --without "development test"
+