feat: MeshCore SAR - Flutter BLE mesh radio companion app

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.github/workflows/build-multiplatform.yml

@@ -0,0 +1,38 @@
+name: Flutter Analyze
+
+# This workflow runs flutter analyze to check for code issues.
+
+on:
+  push:
+    branches: [main, develop]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  FLUTTER_VERSION: '3.35.6'
+
+jobs:
+  analyze:
+    name: Flutter Analyze
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: ${{ env.FLUTTER_VERSION }}
+          channel: 'stable'
+          cache: true
+
+      - name: Install dependencies
+        run: flutter pub get
+
+      - name: Generate localizations
+        run: flutter gen-l10n
+
+      - name: Run flutter analyze
+        run: flutter analyze