Create fastlane-build.yml

.github/workflows/fastlane-build.yml

@@ -0,0 +1,24 @@
+name: fastlane build
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    name: Build and Test default scheme using any available iPhone simulator
+    runs-on: macos-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - uses: actions/setup-ruby@v1
+        with:
+          ruby-version: '2.7.2'
+      - name: Carthage
+        run: "carthage update"
+      - uses: maierj/fastlane-action@v2.0.1
+        with:
+          lane: 'build'