Create flutter-build.yml

Begin flutter build in CI

Author: qcasey

.github/workflows/flutter-build.yml

@@ -0,0 +1,43 @@
+# This is a basic workflow to help you get started with Actions
+
+name: CI
+
+# Controls when the workflow will run
+on:
+  # Triggers the workflow on push or pull request events but only for the master branch
+  push:
+    branches: [ master ]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+# A workflow run is made up of one or more jobs that can run sequentially or in parallel
+jobs:
+  # This workflow contains a single job called "build"
+  build:
+    # The type of runner that the job will run on
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Archive production artifacts
+    - uses: actions/checkout@v2
+    - uses: actions/setup-java@v2
+      with:
+        distribution: 'zulu'
+        java-version: '11'
+    - uses: subosito/flutter-action@v2
+      with:
+        flutter-version: '2.10.0'
+    - run: flutter pub get
+    - run: flutter pub run build_runner build
+    - run: flutter test
+    - run: flutter build apk
+    - run: flutter build appbundle
+
+    - name: Archive artifacts
+      uses: actions/upload-artifact@v2
+      with:
+        name: release-apk
+        path: |
+          build/app/outputs/apk/release/app-release.apk 
+          build/app/outputs/bundle/release/app-release.aab