Just an Idea: Implement sourceDateMargin in source code

[CavasoftIta]

It would be useful to have the possibility of having in the source of a source member the date of the row displayed at the right end of the row itself

[sebjulliand]

Like the Source Dates in Gutter setting? (it's on the left though)
https://codefori.github.io/docs/developing/sourcedates/#source-date-settings