Update readme of csv exporter #2834 (#2927)
Update readme of csv exporter #2834 (#2927)

* Update readme of csv exporter #2834

* Add example of path truncating in README #2834

Co-authored-by: phanlezz <703ab8e5e797ee1509da538876d3bcaa32ca6241@users.noreply.github.com>

MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta,MaibornWolff/codecharta