Adding documentation for primary projection attributes
Adding documentation for primary projection attributes

gdseller/plottable,softwords/plottable,alyssaq/plottable,NextTuesday/plottable,softwords/plottable,NextTuesday/plottable,danmane/plottable,onaio/plottable,gdseller/plottable,NextTuesday/plottable,palantir/plottable,jacqt/plottable,palantir/plottable,danmane/plottable,RobertoMalatesta/plottable,jacqt/plottable,alyssaq/plottable,onaio/plottable,RobertoMalatesta/plottable,softwords/plottable,RobertoMalatesta/plottable,jacqt/plottable,palantir/plottable,palantir/plottable,iobeam/plottable,danmane/plottable,gdseller/plottable,alyssaq/plottable,iobeam/plottable,onaio/plottable,iobeam/plottable