Add luacheck config
Add luacheck config

rjeli/luvit,zhaozg/luvit,kaustavha/luvit,GabrielNicolasAvellaneda/luvit-upstream,kaustavha/luvit,DBarney/luvit,DBarney/luvit,luvit/luvit,kaustavha/luvit,GabrielNicolasAvellaneda/luvit-upstream,DBarney/luvit,luvit/luvit,bsn069/luvit,GabrielNicolasAvellaneda/luvit-upstream,rjeli/luvit,GabrielNicolasAvellaneda/luvit-upstream,DBarney/luvit,bsn069/luvit,bsn069/luvit,rjeli/luvit,zhaozg/luvit,rjeli/luvit