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 `v8.2.2`.

removing `v8.2` and linking `v8.2` to `v8.2.2`.

removing `v8.1` and linking `v8.1` to `v8.1.0`.

removing `v8.0` and linking `v8.0` to `v8.0.1`.

removing `v7.0` and linking `v7.0` to `v7.0.0`.

removing `v6.0` and linking `v6.0` to `v6.0.1`.

removing `v5.0` and linking `v5.0` to `v5.0.0`.

removing `v4.5` and linking `v4.5` to `v4.5.0`.

removing `v4.4` and linking `v4.4` to `v4.4.0`.