Convenience function to create a SplikitObject.
Examples
if (FALSE) { # \dontrun{
# From junction abundance
junction_ab <- load_toy_SJ_object()
obj <- splikit(junction_ab = junction_ab)
# From existing matrices
obj <- splikit(m1 = my_m1, m2 = my_m2, eventData = my_eventdata)
} # }
