ci: Add CI workflow (#34)

Author: Peetee06

.github/workflows/continuous-integration.yaml

@@ -0,0 +1,20 @@
+name: Continuous Integration
+
+concurrency:
+  group: $-$
+  cancel-in-progress: true
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  analyze-and-test:
+    uses: VeryGoodOpenSource/very_good_workflows/.github/workflows/flutter_package.yml@v1
+    with:
+      flutter_channel: stable
+      min_coverage: 0