ci: add wf to create GH release for the examples repo (#311)

Author: tbouffard

.github/workflows/post-release-create-gh-release_Examples_repo.yml

@@ -0,0 +1,26 @@
+name: Create GitHub release (examples repo)
+
+on:
+  push:
+    tags:
+      - v*
+
+jobs:
+  create_release:
+    runs-on: ubuntu-22.04
+    permissions:
+      contents: write # create the GH release
+    steps:
+      - name: Set env
+        run: |
+          echo "RELEASE_VERSION=${GITHUB_REF_NAME#v}" >> $GITHUB_ENV
+          echo "TAG=${GITHUB_REF_NAME}" >> $GITHUB_ENV
+      - name: Create release
+        uses: ncipollo/release-action@v1
+        with:
+          body: |
+            Examples for [bpmn-visualization@${{ env.RELEASE_VERSION }}](https://github.com/process-analytics/bpmn-visualization-js/releases/tag/${{ env.TAG }}).
+            Live examples are available for [${{ env.RELEASE_VERSION }}](https://cdn.statically.io/gh/process-analytics/bpmn-visualization-examples/${{ env.TAG }}/examples/index.html).
+          draft: true
+          generateReleaseNotes: true
+          name: ${{ env.RELEASE_VERSION }}

README.md

@@ -43,6 +43,13 @@ The event is received by the repository which triggers workflows (simulate what
 - [bpmn-visualization-examples repository](.github/workflows/post-release-update_bpmn_visualization_version_in_Examples_repo.yml): download the artifact attached to the previous workflow run, then create a Pull Request
 - [bpmn-visualization-R repository](.github/workflows/post-release-update_bpmn_visualization_version_in_R_repo.yml): update bpmn-visualization assets an create a Pull Request
 
+
+### bpmn-visualization-examples
+
+When a tag is pushed in this repository, a new GitHub draft release is created as it is done in bpmn-visualization-examples.
+See the related [worfklow](.github/workflows/post-release-create-gh-release_Examples_repo.yml).
+
+
 ### bpmnVisualizationR
 
 The [Release of bpmnVisualizationR package](.github/workflows/release-R.yml) workflow update the `README.md` file and the `DESCRIPTION` file, commit the modification, and pushes branch/tag on a branch with restricted rules (used in [bpmn-visualization-R](https://github.com/process-analytics/bpmn-visualization-R)).