[PWGCF] adding new analysis task for multiharmonic correlations (#15896)

Co-authored-by: Pengchong Hu <go34fir@tum.de>

Author: pengchon

PWGCF/MultiparticleCorrelations/Tasks/CMakeLists.txt

@@ -23,3 +23,8 @@ o2physics_add_dpl_workflow(three-particle-correlations
                     SOURCES threeParticleCorrelations.cxx
                     PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::PWGCFCore
                     COMPONENT_NAME Analysis)
+
+o2physics_add_dpl_workflow(multiharmonic-correlations
+                    SOURCES multiharmonicCorrelations.cxx
+                    PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::PWGCFCore
+                    COMPONENT_NAME Analysis)