colrev.writer

Writers for different data formats, including BibTex, RIS, CSV/Excel files.

`colrev.writer.bib`	Function to write bib files.
`colrev.writer.csv`	Function to write csv files.
`colrev.writer.excel`	Function to write Excel files with flexible field handling.
`colrev.writer.markdown`	Function to write Markdown (table) files.
`colrev.writer.ris`	Function to write ris files.
`colrev.writer.write_utils`	Function to write files (BiBTeX, RIS, CSV, etc.).