new ini for gap triggerd strangeness MC for pp ref energy (#2245)

* new ini for gap triggerd strangeness MC for pp ref energy

* adding test

---------

Co-authored-by: Lucia Anna Tarasovicova <lucia.anna.husova@cern.ch>

Author: lhusova

MC/config/PWGLF/ini/GeneratorLFStrangenessTriggered_5360gev.ini

@@ -0,0 +1,10 @@
+[GeneratorExternal]
+fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF.C
+# funcName=generateLFTriggered("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/strangeparticlelist.gun", 0)
+funcName=generateLFTriggered("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/strangeparticlelist.gun", 4)
+
+[GeneratorPythia8] # if triggered then this will be used as the background event
+config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_pp536tev.cfg
+
+[DecayerPythia8]
+config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg

MC/config/PWGLF/ini/tests/GeneratorLFStrangenessTriggered_5360gev.C

@@ -0,0 +1 @@
+GeneratorLFStrangenessTriggered.C