Improve org code regex to handle \r\n line endings and add indentation to inserted placeholder for correct rendering.
Improve org code regex to handle \r\n line endings and add indentation to inserted placeholder for correct rendering.

repotag/gollum-lib,gollum/gollum-lib,gollum/gollum-lib,rgroux/gollum-lib,repotag/gollum-lib,rgroux/gollum-lib