Function make_object_store_path 

pub fn make_object_store_path<I, S>(base_path: &str, components: I) -> String
where
    I: IntoIterator<Item = S>,
    S: AsRef<str>,

Joins a base path and components into an object-store path with forward slashes.

Object stores (S3, GCS, etc.) always expect forward slashes regardless of platform.