Add Windows CI workflow

Author: ELF-Nigel

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+name: CI
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  build-windows:
+    runs-on: windows-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        compiler: [msvc, clang-cl]
+        build: [header_only, static, shared]
+        include:
+          - build: header_only
+            header_only: ON
+            shared: OFF
+          - build: static
+            header_only: OFF
+            shared: OFF
+          - build: shared
+            header_only: OFF
+            shared: ON
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Configure
+        run: |
+          if ("${{ matrix.compiler }}" -eq "clang-cl") {
+            cmake -S . -B build `
+              -G "Visual Studio 17 2022" -A x64 -T ClangCL `
+              -DWINSECRUNTIME_HEADER_ONLY=${{ matrix.header_only }} `
+              -DWINSECRUNTIME_BUILD_SHARED=${{ matrix.shared }} `
+              -DWINSECRUNTIME_BUILD_EXAMPLES=ON
+          } else {
+            cmake -S . -B build `
+              -G "Visual Studio 17 2022" -A x64 `
+              -DWINSECRUNTIME_HEADER_ONLY=${{ matrix.header_only }} `
+              -DWINSECRUNTIME_BUILD_SHARED=${{ matrix.shared }} `
+              -DWINSECRUNTIME_BUILD_EXAMPLES=ON
+          }
+
+      - name: Build
+        run: cmake --build build --config Release