Endpoint print function is missing a forward slash

[Triamus]

I just tested it for blob but assume issue may prevail for other endpoint types. You seem to be missing a forward slash in the print function print.blob_container <- function(x, ...) of the blob endpoint object in AzureStor/R/blob_client_funcs.R.

The function returns as follows

$ cat(sprintf("URL: %s\n", paste0("https://myblob.blob.core.windows.net", "mycontainer")))
> URL: https://myblob.blob.core.windows.netmycontainer 

when it should return

URL: https://myblob.blob.core.windows.net/mycontainer

I could try a pull request but have never done that before on some open source GitHub R project so not sure how helpful that would be (as it would also take some time getting used to the conventions and such). Lmk.