add windows build again

.github/workflows/build.yml

@@ -44,3 +44,30 @@ jobs:
       with:
         name: todd-mac
         path: build
+
+  build-windows:
+
+    defaults:
+      run:
+        shell: msys2 {0}
+
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: msys2/setup-msys2@v2
+        with:
+          update: true
+          install: >-
+            mingw-w64-x86_64-gcc
+            mingw-w64-x86_64-make
+            mingw-w64-x86_64-libncurses
+      - name: make
+        run: make
+      - name: copy to build folder
+        run: |
+          mkdir -p build
+          cp ./todd.exe build/
+      - uses: actions/upload-artifact@v4
+        with:
+          name: todd-windows
+          path: build