Add calibratedtime and more structs

Adds calibratedtime(det, hits) to make possible to only apply time calibration. It works on SnapshotHits and TriggeredHits

docs/src/api.md

@@ -27,6 +27,8 @@ DAQEvent
 EventHeader
 SnapshotHit
 TriggeredHit
+CalibratedSnapshotHit
+CalibratedTriggeredHit
 UTCTime
 UTCExtended
 Summaryslice
@@ -88,6 +90,7 @@ read(filename::AbstractString, T::Type{AcousticsTriggerParameter})
 ## Calibration
 ```@docs
 calibrate
+calibratetime
 combine
 floordist
 slew