Add test script

Author: marcprux

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: universal ci
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  install-sdk:
+    strategy:
+      matrix:
+        os: ['macos-13', 'macos-14', 'macos-15']
+      fail-fast: false
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: "Install SDK"
+        run: |
+          HOST_TOOLCHAIN_URL="https://download.swift.org/development/xcode/swift-DEVELOPMENT-SNAPSHOT-2025-08-08-a/swift-DEVELOPMENT-SNAPSHOT-2025-08-08-a-osx.pkg"
+          curl -fsSL --retry 8 --retry-connrefused ${HOST_TOOLCHAIN_URL} --output swift.pkg
+          /usr/sbin/installer -pkg swift.pkg -target CurrentUserHomeDirectory
+          SWIFT_PATH=${HOME}/Library/Developer/Toolchains/$(basename ${HOST_TOOLCHAIN_URL} "-osx.pkg").xctoolchain/usr
+          ${SWIFT_PATH}/bin/swift --version
+
+          ${SWIFT_PATH}/bin/swift sdk install https://download.swift.org/swift-6.2-branch/static-sdk/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-08-09-a/swift-6.2-DEVELOPMENT-SNAPSHOT-2025-08-09-a_static-linux-0.0.1.artifactbundle.tar.gz --checksum 157dbf0cc8465f72c00a765c5f99e24d06c06b71cbe59136421163aa2c0fa7eb
+
+
+