How to use:

1. Add dup-cli to your system:
    - `sudo cp dup-cli /usr/local/bin`
1. Add environment variables to your system:
    - `UPLOAD_URL` - URL to upload files to

Example:

#### upload file or multiple files 
`dup-cli README.md LICENSE.md`
#### upload file or multiple files to a specific folder
`dup-cli README.md LICENSE.md folder_name`