Add Jenkins overview monitoring template

Add Jenkins overview monitoring template for adding Jenkins monitoring conveniently.

Please follow up https://github.com/kubesphere/kubesphere/issues/3814.

Upstream PRs are: https://github.com/kubesphere/ks-jenkins/pull/27, https://github.com/kubesphere/ks-installer/pull/1490.

There has a built docker image for test: johnniang/ks-console:jenkins-monitoring.

/kind feature