Add GitHub Actions release build workflow

Author: shadowbipnode

.github/workflows/build-release.yml

@@ -0,0 +1,68 @@
+name: Build Release
+
+on:
+  workflow_dispatch:
+  push:
+    tags:
+      - "v*"
+
+jobs:
+  build-linux:
+    name: Build Linux
+    runs-on: ubuntu-24.04
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - name: Install Linux dependencies
+        run: |
+          sudo apt update
+          sudo apt install -y libsecret-1-dev rpm
+
+      - name: Install npm dependencies
+        run: npm ci
+
+      - name: Build Linux packages
+        run: npx electron-builder --linux AppImage deb rpm
+
+      - name: Upload Linux artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: zap-browser-linux
+          path: |
+            dist/*.AppImage
+            dist/*.deb
+            dist/*.rpm
+            dist/latest-linux.yml
+
+  build-windows:
+    name: Build Windows
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - name: Install npm dependencies
+        run: npm ci
+
+      - name: Build Windows installer
+        run: npx electron-builder --win nsis
+
+      - name: Upload Windows artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: zap-browser-windows
+          path: |
+            dist/*.exe
+            dist/*.blockmap
+            dist/latest.yml