Heidenheim had a successful start into their maiden European adventure with a 2-1 victory over Olimpija Ljubljana in the Conference League on Thursday. Teen-aged Bayern Munich loanee Paul Wanner smashed the winner in the 83rd minute on the rebound of his penalty kick after a Peter Agba handball which was saved by Ljubljana goalkeeper Matevz Vidovsek. Adrian Beck had put the Bundesliga club ahead into the bottom right corner six minutes into the match, and team-mate Leonardo Scienza hit the post. The southern German hosts then became a little passive and Ljubljana got a 77th-minute equalizer fr…