Cut and paste Markdown table from a spreadsheet

Stan Hurequested to merge
sh-cut-and-paste-spreadsheets-markdown into master

Upon pasting to a Markdown input, this commit will try to detect whether a spreadsheet has been copied to the clipboard and automatically create a Markdown table.

This is based off code from https://github.com/jonmagic/copy-excel-paste-markdown.

Closes #27205 (closed)

Demo

spreadsheet-paste

Edited by Stan Hu

Merge request reports