Create main.yml

+#The name of your workflow.
+name:  Test, build and deploy
+# Trigger the workflow on push or pull request
+on: [push,pull_request]
+#A workflow run is made up of one or more jobs. Jobs run in parallel by default.
+jobs:
+
+  test:
+    #The type of machine to run the job on. [windows,macos, ubuntu , self-hosted]
+    runs-on: macos-latest
+    #sequence of tasks called
+    steps:
+      # The branch or tag ref that triggered the workflow will be checked out.
+      # https://github.com/actions/checkout
+      - uses: actions/checkout@v1
+      # Setup a flutter environment.
+      # https://github.com/marketplace/actions/flutter-action
+      - uses: subosito/flutter-action@v1
+        with:
+          flutter-version: '1.17.1'
+          channel: 'stable'
+      - run: flutter pub get
+      # run static analys code
+      - run: flutter  analyze
+      # run  flutter widgets tests  and unit tests
+      - run: flutter test --coverage
+      # Upload coverage reports to Codecov
+      # https://github.com/marketplace/actions/codecov