add toit workflow to publish package

Author: Informaticore

.github/workflow/publish.yml

@@ -0,0 +1,15 @@
+name: Publish package
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'
+      - 'v[0-9]+.[0-9]+.[0-9]+-*'
+
+jobs:
+  create-release:
+    name: Create new release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Publish
+        uses: toitlang/pkg-publish@v1.3.0