Added build workflow

.github/workflows/build.yml

@@ -0,0 +1,32 @@
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x]
+    steps:
+    - uses: actions/checkout@v1
+    - name: Setup Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: Install Yarn
+      run: npm i yarn --global
+
+    - name: Install Packages
+      run: yarn install
+
+    - name: Run Build
+      run: yarn build
+
+    - name: Run Unit Tests
+      run: |
+        yarn test --coverage
+        cat ./coverage/lcov.info | ./node_modules/.bin/coveralls
+
+    - name: Run E2E Tests
+      run: yarn e2e