Create build-windows.yml

Author: PouyaFakhari

.github/workflows/build-windows.yml

@@ -0,0 +1,27 @@
+name: Build masscan for Windows
+
+on:
+  push:
+    branches: [ master ]
+  workflow_dispatch:   # allow manual trigger
+
+jobs:
+  build:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup MSBuild
+        uses: microsoft/setup-msbuild@v1
+
+      - name: Build masscan
+        shell: cmd
+        run: |
+          cd %GITHUB_WORKSPACE%
+          nmake -f Makefile.msvc all
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: masscan-win64
+          path: bin\masscan.exe