Merge branch 'feature/added_github_action' of https://github.com/yutachaos/mo into yutachaos-feature/added_github_action

.github/workflows/ci.yaml

@@ -0,0 +1,13 @@
+name: CI
+on: [push]
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@v1
+      - name: Npm install
+        run: npm run install-tests
+      - name: Execute test
+        run: npm run test