[PWGLF] Create rho770analysis.cxx (#9155)

Co-authored-by: ALICE Action Bot <alibuild@cern.ch>

Author: limhyunji999

PWGLF/Tasks/Resonances/CMakeLists.txt

@@ -183,3 +183,8 @@ o2physics_add_dpl_workflow(kshortlambda
     SOURCES kshortlambda.cxx
     PUBLIC_LINK_LIBRARIES O2Physics::AnalysisCore
     COMPONENT_NAME Analysis)
+
+o2physics_add_dpl_workflow(rho770analysis
+    SOURCES rho770analysis.cxx
+    PUBLIC_LINK_LIBRARIES O2Physics::AnalysisCore
+    COMPONENT_NAME Analysis)