added Lc2pKpi extra tight
Added eventType for Lc -> pKpi with PHSP model, but (extra) tight cuts, as discussed in https://indico.cern.ch/event/869312/ .
Picked eventType number that was available. Below the results of the tests according to contributing.md .
<efficiency name = "generator level cut">
<after> 2 </after>
<before> 264 </before>
<value> 0.0075758 </value>
<error> 0.0053365 </error>
</efficiency>
Edited by Jacco Andreas De Vries