Add CI and Depedabot config

Author: domesticmouse

.github/dependabot.yaml

@@ -0,0 +1,14 @@
+version: 2
+enable-beta-ecosystems: true
+updates:
+  # Github actions ecosystem.
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
+  # Pub ecosystem.
+  - package-ecosystem: "pub"
+    versioning-strategy: "increase-if-necessary"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/flutter.yml

@@ -0,0 +1,29 @@
+name: Flutter CI
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  lint-and-test:
+    name: Static code analysis
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: stable
+      - run: dart --version
+      - run: flutter --version
+      - run: flutter pub get
+      - name: Lint analysis
+        run: dart analyze --fatal-infos
+      - name: Dart format
+        run: dart format --output none --set-exit-if-changed .
+      - name: dart fix
+        run: dart fix --dry-run
+      - name: Run tests
+        run: flutter test