Add missing .gitignore entry for yamcs-artemis
Add missing .gitignore entry for yamcs-artemis

yamcs/yamcs,yamcs/yamcs,m-sc/yamcs,fqqb/yamcs,m-sc/yamcs,yamcs/yamcs,m-sc/yamcs,m-sc/yamcs,m-sc/yamcs,fqqb/yamcs,fqqb/yamcs,fqqb/yamcs,yamcs/yamcs,fqqb/yamcs,yamcs/yamcs,yamcs/yamcs,m-sc/yamcs,fqqb/yamcs