Add iOS CI workflow

Author: MichaelSDavid

.github/workflows/ios.yml

@@ -0,0 +1,15 @@
+name: iOS CI
+
+on:
+  push:
+    branches: [ ios-master, ios-working ]
+  pull_request:
+    branches: [ ios-master, ios-working ]
+
+jobs:
+  build:
+    runs-on: macOS-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Xcode Build
+      run: xcodebuild clean test -project Multility.xcodeproj -scheme Multility -destination "platform=iOS Simulator,name=iPhone 11"