docs: Update changelog for Cspace::MovementReferenceNumber

Author: kspurgin

CHANGELOG.adoc

@@ -45,6 +45,8 @@ https://github.com/lyrasis/kiba-extend/pull/274[PR#274]
 https://github.com/lyrasis/kiba-extend/pull/274[PR#274]
 * https://lyrasis.github.io/kiba-extend/Kiba/Extend/Transforms/DateValue/ForceDayPrecision.html[`DateValue::ForceDayPrecision` transform]
 https://github.com/lyrasis/kiba-extend/pull/274[PR#275]
+* https://lyrasis.github.io/kiba-extend/Kiba/Extend/Transforms/Cspace/MovementReferenceNumber.html[`Cspace::MovementReferenceNumber` transform]
+https://github.com/lyrasis/kiba-extend/pull/274[PR#276]
 
 === Bugfixes