[PWGCF] add a new file to calculate PID vn-pt correlation (#13946)

Author: fuchuncui

PWGCF/Flow/Tasks/CMakeLists.txt

@@ -98,3 +98,8 @@ o2physics_add_dpl_workflow(flow-event-plane
                            SOURCES flowEventPlane.cxx
                            PUBLIC_LINK_LIBRARIES O2Physics::AnalysisCore
                            COMPONENT_NAME Analysis)
+
+o2physics_add_dpl_workflow(pid-flow-pt-corr
+                    SOURCES pidFlowPtCorr.cxx
+                    PUBLIC_LINK_LIBRARIES O2::Framework O2Physics::AnalysisCore O2Physics::AnalysisCCDB O2Physics::GFWCore
+                    COMPONENT_NAME Analysis)