Add .github/workflows/release.yml

.github/workflows/release.yml

@@ -0,0 +1,26 @@
+on:
+  push:
+    # Sequence of patterns matched against refs/tags
+    tags:
+      - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
+
+name: Release
+
+jobs:
+  build:
+    name: Make tarball
+    runs-on: ubuntu-18.04
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-node@v3
+      with:
+        node-version: 8
+        cache: 'npm'
+    - run: npm install
+    - run: npm run build
+    - run: npm run tarball
+    - name: Release
+      uses: softprops/action-gh-release@v1
+      if: startsWith(github.ref, 'refs/tags/')
+      with:
+        files: mosaico-dist.tar.gz