add electron build

.github/workflows/build.yml

@@ -0,0 +1,36 @@
+name: Build Electron App
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v2
+        with:
+          node-version: '20'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build Electron app
+        run: npm run build
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v2
+        with:
+          name: kiri-${{ matrix.os }}-${{ github.ref_name }}
+          path: dist/
+