Write the prepared data to a csv file
write_report_csv(df, survey, part, output_path)a dataframe (prepared via the 'make' scripts)
a string (which IPEDS survey)
a string (which upload part of the survey)
a path (which folder the report should go in)
a csv file (at the path location)
All arguments for this function are required. The dataframe must have the key as the column name (with appropriate capitalization) and the value in the cells