Codefresh packages Argo CD as part of their Hybrid runtime. This Helm chart can take generic Argo CD paramaters, because Argo CD is a sub-chart the values files just need to be modified to be under argo-cd. See example values file.
Argo CD Helm supports creating config management plugins directly via the values file. This requires updating two sections.
The Argo CD Helm Chart generates a shared argocd-cmp-cm config map which contains all Argo CD CMP configurations as subpaths. It also supports an array of extraContainers to be added as sidecars on argocd-repo-server