Add config file for hf_pt_spectrum.py (#5587)

Author: atavirag

PWGHF/D2H/Macros/config_ptspectrum_Dplus_pp5TeV.yml

@@ -0,0 +1,25 @@
+# example config for cross section calculation of D+ mesons
+
+observable: dsigmadpt # options: dsigmadpt, dNdpt
+channel: DplustoKpipi # options: D0toKpi, DplustoKpipi, DstoKKpi, DstartoD0pi, LctopKpi, LctopK0S
+system: pp # options: pp, pPb, PbPb
+energy: 5TeV # options: 5TeV, 13TeV
+period: Run2 # options: Run2
+
+fraction: Nb # options: Nb, fc
+
+FONLL: FONLLpred/DmesonLcPredictions_502TeV_y05_FFee_BRpythia8_SepContr_PDG2020.root
+
+rawyield:
+  filename: test/RawYields_Dplus_pp5TeV_prompt_central.root
+  rawyieldhist: hRawYields
+  normhist: hEvForNorm
+
+acceff:
+  filename: test/Eff_times_Acc_Dplus_pp5TeV_central_newAcc.root
+  prompthist: hAccEffPrompt
+  nonprompthist: hAccEffFD
+
+output:
+  directory: '.'
+  filename: CrossSectionDplus_pp_5TeV # without extension