add release workflow

.github/workflows/release.yml

@@ -0,0 +1,27 @@
+name: Release
+on:
+  repository_dispatch:
+    types: [release]
+
+jobs:
+  release:
+    name: Release new version
+    runs-on: ubuntu-latest
+    permissions:
+      # Give the default GITHUB_TOKEN write permission to commit and push the added or changed files to the repository.
+      contents: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Git Submodule Update
+        run: |
+          git pull --recurse-submodules
+          git submodule update --remote --recursive
+      - name: Commit updated submodule
+        uses: stefanzweifel/git-auto-commit-action@v5
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          tag_name: ${{ github.event.client_payload.version }}