Add Github Worflows build config.

.github/workflows/php.yml

@@ -0,0 +1,29 @@
+name: PHP Composer
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+    strategy:
+      matrix:
+        php-versions: ['7.0', '7.1', '7.2', '7.3', '7.4']
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v2
+    - name: Install PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ matrix.php-versions }}
+    - name: Validate composer.json and composer.lock
+      run: composer validate
+    - name: Install dependencies
+      run: composer install --prefer-dist --no-progress
+    - name: Run PHPCS
+      run: composer run-script lint
+    - name: Run PHPUnit
+      run: composer run-script test

.scrutinizer.yml

@@ -3,6 +3,15 @@ filter:
         - 'vendor/*'
 before_commands:
     - 'composer install --prefer-source'
+build:
+    nodes:
+        analysis:
+            tests:
+                override:
+                    - php-scrutinizer-run
+    tests:
+        override:
+            - phpcs-run --standard=PSR2
 tools:
     php_analyzer: true
     php_mess_detector: true