Unable to determine the repository root URL for the navbar link. This can happen when a string is passed to the `repo` keyword of `makedocs`. To remove this warning, either pass a Remotes.Remote object to `repo` to completely specify the remote repository, or explicitly set the remote URL by setting `repolink` via `makedocs(format = HTML(repolink = "..."), ...)`.

removing `stable` and linking `stable` to `v0.20.0`.

removing `v0.20` and linking `v0.20` to `v0.20.0`.

removing `v0.19` and linking `v0.19` to `v0.19.1`.

removing `v0.18` and linking `v0.18` to `v0.18.1`.

removing `v0.17` and linking `v0.17` to `v0.17.0`.

removing `v0.16` and linking `v0.16` to `v0.16.0`.

removing `v0.15` and linking `v0.15` to `v0.15.0`.

removing `v0.14` and linking `v0.14` to `v0.14.2`.