ci(desktop): add release workflow skeleton with tag trigger and matrix

.github/workflows/desktop-release.yml

@@ -0,0 +1,17 @@
+name: Desktop Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4