Github Actions for macOS builds

Author: bengotow

.github/workflows/build-macos.yaml

@@ -0,0 +1,35 @@
+name: Build for macOS
+
+on: workflow_dispatch
+
+jobs:
+  build:
+    strategy:
+      matrix:
+        os: [macos-15-arm64, macos-15]
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Checkout Repo
+        uses: actions/checkout@v3
+
+      - name: Cache NodeJS modules
+        uses: actions/cache@v4
+        with:
+          path: |
+            ./node_modules
+            ./app/node_modules
+          key: ${{ runner.OS }}-node-${{ hashFiles('yarn.lock') }}-${{ hashFiles('app/package-lock.json') }}
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Setup Keychain
+        run: npm run ci-setup-mac-keychain
+
+      - name: Lint
+        run: npm run lint
+
+      - name: Build
+        run: DEBUG=electron-packager,electron-osx-sign npm run build