[GET] /convert  (application/json)
{
input: *base64 encoded tar.gz containing hepdata-converter-ws-data entry (directory / file)*
id: str used for caching purposes (same input files have to have same ID)
options: dictionary with options accepted by hepdata_converter.convert function. The most important are:
         input_format: (input format identifier eg. yaml, yoda, oldhepdata, etc)
         ouptut_format: (output format identifier eg. yaml, yoda, csv, etc)
         other options are dependant on the input / output format and are documented in their respected parsers / readers
         in (https://github.com/HEPData/hepdata-converter/)
}