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

python.r2.yml

+files:
+    template: ./templates/gitlab-ci-python.yml
+    documentation: ./README.md
+    changelog: ./CHANGELOG.md
+data:
+    description: "Build, test and analyse your Python"
+    public: true
+    labels:
+    - to be continuous
+    - Python
+    - Build
+    license: LGPL v3
+    deprecated: false
\ No newline at end of file