Introduce smaller status banner for Auto DevOps when it's active for project and pipeline page
See for more information https://gitlab.com/gitlab-org/gitlab-ce/issues/38931 ### Problem & Usecase We need to have a way to let users know that auto-devops is active and is causing pipelines to show up without people having configured CI/CD themselves (either by their admin enabling it system wide, or us, or the project owner). This will also provide a way for the user to go to the documentation more easily ### Proposal & Design Introduce the following banner on the project and pipeline table view when auto devops is active on that project. ![img](https://gitlab.com/gitlab-org/gitlab-ce/uploads/aca6497bc9d35c1b6358216149678818/image.png) ![image](/uploads/6539cb768b11b44356a6d0433277b375/image.png) ![image](/uploads/e1caed123f3b7c122f62c41d1e69bf55/image.png)
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