fix(yamllint): also check that .gitlab-ci.yml and .yamllint are present

cube_doctor/transforms/add_yamllint.py

@@ -67,6 +67,12 @@ class AddYamlLint(Command):
     )
 
     def pre_check(self, root_files):
+        if ".gitlab-ci.yml" not in root_files:
+            return "continue"
+
+        if ".yamllint" in root_files:
+            return "continue"
+
         if "tox.ini" not in root_files:
             return "continue"