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

@@ -54,6 +54,9 @@ Detector
 modules
 getmodule
 getpmt
+haslocation
+isbasemodule
+isopticalmodule
 write(::AbstractString, ::Detector)
 write(::IO, ::Detector)
 Hydrophone
@@ -157,4 +160,5 @@ hashistory
 ### Math
 ```@docs
 angle
+distance
 ```