Upload file to S3
checks_upload_report(path, dest = "kthb/kthcorpus")the full path to the file to upload
the path to the destination (s3 alias and bucket), by default "kthb/kthcorpus"
exit code for upload command (0 means success)
Checks for minio client being present on the system and assumes an alias "kthb" has been set up, as well as the bucket "kthcorpus" which can be achieved by setting a MC_HOST_kthb environment variable