Add the release workflow

.github/workflows/build.yml

@@ -0,0 +1,39 @@
+name: Build/release
+on: 
+  push:
+    branches:
+      - stable
+
+jobs:
+  release:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+
+    steps:
+      - name: Check out Git repository
+        uses: actions/checkout@v1
+
+      - name: Install Node.js, NPM and Yarn
+        uses: actions/setup-node@v1
+        with:
+          node-version: 17
+
+      - name: Build/release Electron app
+        uses: samuelmeuli/action-electron-builder@v1
+        with:
+          # GitHub token, automatically provided to the action
+          # (No need to define this secret in the repo settings)
+          github_token: ${{ secrets.github_token }}
+          # skip npm run build as there's no script like that 
+          skip_build: false
+          # If the commit is tagged with a version (e.g. "v1.0.0"),
+          # release the app after building
+          release: ${{ startsWith(github.ref, 'refs/tags/v') }} #disabled for now as it caused problems (nvm)
+      - name: Archive production builds
+        uses: actions/upload-artifact@v2
+        with:
+          name: dist folder
+          path: dist/**