Added Github workflow

Author: Bernardo-MG

.github/workflows/testing.yml

@@ -0,0 +1,73 @@
+name: Testing and validation
+
+on: [push, pull_request]
+
+jobs:
+
+  linting:
+    name: Linting
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [ 16.x ]
+
+    steps:
+    - name: Check-out
+      uses: actions/checkout@v2
+    - name: Set up Node.js ${{ matrix.node }}
+      uses: actions/setup-node@v2
+      with:
+        node-version: ${{ matrix.node }}
+        cache: 'npm'
+    - name: Install dependencies
+      run: npm ci
+    - name: Install Angular CLI
+      run: npm install -g @angular/cli
+    - name: Run linter
+      run: npm run lint
+
+  test:
+    name: Tests
+    needs: linting
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [ 16.x ]
+
+    steps:
+    - name: Check-out
+      uses: actions/checkout@v2
+    - name: Set up Node.js ${{ matrix.node }}
+      uses: actions/setup-node@v2
+      with:
+        node-version: ${{ matrix.node }}
+        cache: 'npm'
+    - name: Install dependencies
+      run: npm ci
+    - name: Install Angular CLI
+      run: npm install -g @angular/cli
+    - name: Run tests
+      run: npm test -- --configuration=ci
+
+  test_build:
+    name: Test build
+    needs: test
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [ 16.x ]
+  
+    steps:
+    - name: Check-out
+      uses: actions/checkout@v2
+    - name: Set up Node.js ${{ matrix.node }}
+      uses: actions/setup-node@v2
+      with:
+        node-version: ${{ matrix.node }}
+        cache: 'npm'
+    - name: Install dependencies
+      run: npm ci
+    - name: Install Angular CLI
+      run: npm install -g @angular/cli
+    - name: Build
+      run: npm run build