cps: Add reduce, and add examples for map/reduce/forEach
cps: Add reduce, and add examples for map/reduce/forEach

foam-framework/foam2,jacksonic/vjlofvhjfgm,foam-framework/foam2,foam-framework/foam2,foam-framework/foam2,foam-framework/foam2,jacksonic/vjlofvhjfgm,jacksonic/vjlofvhjfgm