test: setup GithHub actions tests

Author: JohannesHoppe

.github/workflows/main.yml

@@ -7,20 +7,21 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - name: Checkout
-      uses: actions/checkout@v2
+      - name: Checkout
+        uses: actions/checkout@v2
 
-    - name: Use Node.js 10.x
-      uses: actions/setup-node@v1
-      with:
-        node-version: 10.x
+      - name: Use Node.js 10.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 10.x
 
-    - name: Prepare and deploy
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      run: |
-        cd src
-        npm run build
-        npm run test
-        cd dist
-        sudo npm link
+      - name: Prepare and deploy
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          cd src
+          npm install --silent
+          npm run build
+          npm run test
+          cd dist
+          sudo npm link