add @smesser to contributors
add @smesser to contributors

🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉🎉
project-callisto/callisto-core,SexualHealthInnovations/callisto-core,SexualHealthInnovations/callisto-core,project-callisto/callisto-core