feat(workflow): create workflow

.github/workflows/build-quasar.yml

@@ -0,0 +1,20 @@
+name: Build Quasar
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@master
+    - name: Use Node.js 12.x
+      uses: actions/setup-node@master
+      with:
+        node-version: 12.x
+    - name: Install and build
+      run: |
+        yarn install --frozen-lockfile
+        yarn test
+        quasar build -m ssr