add goaction

.github/workflows/goaction.yml

@@ -0,0 +1,16 @@
+on:
+  pull_request:
+    branches: [master]
+  push:
+    branches: [master]
+jobs:
+  goaction:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Check out repository
+      uses: actions/checkout@v2
+    - name: Update action files
+      uses: posener/goaction@v1
+      with:
+        name: goaction-example
+        github-token: '${{ secrets.GITHUB_TOKEN }}'