upload_file: Uploads data into the users workspace
In flahn/openeo-r-client: openEO client interface

This function sends the file given by 'content' to the specified target location (relative file path in the user workspace) on the back-end.

upload_file(
  content,
  target,
  encode = "raw",
  mime = "application/octet-stream",
  con = NULL
)

`content`	the file path of the file to be uploaded
`target`	the relative server path location for the file, e.g. where to find the file in the users workspace
`encode`	the encoding type used to upload the data, e.g. 'multipart','form','json','raw' ('raw' by default)
`mime`	mime type used in upload_file ('application/octet-stream' as a default)
`con`	authorized Connection (optional) otherwise `active_connection` is used.