add gh actions build

.github/workflows/build.yml

@@ -0,0 +1,47 @@
+name: Build Electron App
+
+on:
+    push:
+        branches:
+            - main
+    # pull_request:
+    # release:
+    # types: [created]
+
+jobs:
+    build:
+        strategy:
+            fail-fast: false
+            matrix:
+                include:
+                    - os: windows-latest
+                      script: build:win
+                    - os: macos-latest
+                      script: build:mac
+                    - os: ubuntu-latest
+                      script: build:linux
+
+        runs-on: ${{ matrix.os }}
+
+        steps:
+            - name: Checkout repository
+              uses: actions/checkout@v4
+
+            - name: Setup Node
+              uses: actions/setup-node@v4
+              with:
+                  node-version: 22
+                  cache: npm
+
+            - name: Install dependencies
+              run: npm ci
+
+            - name: Run platform build
+              run: npm run ${{ matrix.script }}
+
+            - name: Upload artifacts
+              uses: actions/upload-artifact@v4
+              with:
+                  name: ${{ matrix.os }}-build
+                  path: |
+                      dist/**