Add CI build workflow

Author: sioaeko

.github/workflows/build.yml

@@ -0,0 +1,40 @@
+name: Build
+
+on:
+  push:
+    tags:
+      - 'v*'
+  workflow_dispatch:
+
+jobs:
+  build-windows:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: npm ci
+      - run: npx vite build
+      - run: npx electron-builder --win --publish never
+      - uses: actions/upload-artifact@v4
+        with:
+          name: ScriptPlayerPlus-Windows
+          path: dist/win-unpacked/
+
+  build-mac:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: npm ci
+      - run: npx vite build
+      - run: npx electron-builder --mac --publish never
+        env:
+          CSC_IDENTITY_AUTO_DISCOVERY: false
+      - uses: actions/upload-artifact@v4
+        with:
+          name: ScriptPlayerPlus-Mac
+          path: dist/*.zip