Add GitHub Actions workflow for Windows installer

create windows builder workflow

Author: tdonuk

.github/workflows/main.yml

@@ -0,0 +1,33 @@
+name: Build Windows Installer
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: windows-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Install deps
+        run: npm install
+
+      - name: Build installer
+        run: npm run make
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: windows-installer
+          path: |
+            out/**
+            dist/**