Add iOS to Github Actions CI

.github/workflows/build_ios.yml

@@ -0,0 +1,36 @@
+name: Build iOS
+on: [push, pull_request]
+
+env:
+  DOTNET_NOLOGO: true
+  DOTNET_CLI_TELEMETRY_OPTOUT: false
+
+jobs:
+
+  # Game
+  game-windows:
+    name: Game (iOS, Release ARM64)
+    runs-on: "macos-latest"
+    steps:
+    - name: Checkout repo
+      uses: actions/checkout@v3
+    - name: Setup Vulkan
+      uses: ./.github/actions/vulkan
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v3
+      with:
+        dotnet-version: 7.0.x
+    - name: Setup .NET Workload
+      run: |
+        dotnet workload install ios
+    - name: Print .NET info
+      run: |
+        dotnet --info
+        dotnet workload --info
+    - name: Checkout LFS
+      run: |
+        git lfs version
+        git lfs pull
+    - name: Build
+      run: |
+        ./Development/Scripts/Mac/CallBuildTool.sh -build -log -arch=ARM64 -platform=iOS -configuration=Release -buildtargets=FlaxGame