Add release CI workflow

.github/workflows/release.yml

@@ -0,0 +1,66 @@
+name: Release
+
+on:
+  release:
+    types: [created]
+
+jobs:
+  build:
+    name: Build for ${{ matrix.platform }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - kind: linux
+            os: ubuntu-latest
+            platform: linux
+          - kind: windows
+            os: windows-latest
+            platform: win
+          - kind: mac
+            os: macos-11
+            platform: osx
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Node
+        uses: actions/setup-node@v4
+        with:
+          # The talk on the street says this might be a good version for building.
+          node-version: 14.20.1
+          cache: yarn
+
+      - name: Install Yarn dependencies
+        run: yarn install --frozen-lockfile
+
+      - if: matrix.platform == 'linux'
+        name: Install bsdtar # Required by electron-builder when targeting pacman.
+        run: |
+          sudo apt-get update -y
+          sudo apt-get install -y libarchive-tools
+
+      - name: Build project
+        id: build
+        uses: StarUbiquitous/[email protected]
+        with:
+          run: yarn build-${{ matrix.platform }} --publish=never
+
+      - if: steps.build.outputs.stderr != ''
+        name: Log stderr
+        continue-on-error: true
+        run: echo '${{ steps.build.outputs.stderr }}'
+
+      # Creating Electron executables can in some cases fail with exit code 0.
+      # Check the output of build step for obvious signs of failure.
+      - if: contains(steps.build.outputs.stderr, '[FAIL]')
+        name: Check STDERR for trouble
+        uses: actions/github-script@v6
+        with:
+          script: core.setFailed('It seems the build process failed silently. See previous step for more info.')
+
+      - name: Add build results to release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: >-
+          gh release upload --clobber ${{ github.ref_name }} dist/electron/Packaged/*