chore(r2devops): add r2.yml file [skip ci]

gcloud.r2.yml

+files:
+    template: ./templates/gitlab-ci-gcloud.yml
+    documentation: ./README.md
+    changelog: ./CHANGELOG.md
+data:
+    description: "Deploy your application to the Google Cloud Platform"
+    public: true
+    labels:
+    - to be continuous
+    - Deploy
+    license: LGPL v3
+    deprecated: false