Add optional.txt which has newrelic.
Add optional.txt which has newrelic.

michaelsteiner19/open-edx-configuration,marcore/configuration,omarkhan/configuration,armaan/edx-configuration,edx/configuration,omarkhan/configuration,IndonesiaX/configuration,alu042/configuration,rue89-tech/configuration,appsembler/configuration,hks-epod/configuration,marcore/configuration,proversity-org/configuration,gashac03/ubuntu,CredoReference/configuration,mitodl/configuration,lgfa29/configuration,gsehub/configuration,mitodl/configuration,gsehub/configuration,arbrandes/edx-configuration,usernamenumber/configuration,jorgeomarmh/configuration,arbrandes/edx-configuration,open-craft/configuration,fghaas/edx-configuration,jorgeomarmh/configuration,michaelsteiner19/open-edx-configuration,nunpa/configuration,michaelsteiner19/open-edx-configuration,appsembler/configuration,IndonesiaX/configuration,openfun/configuration,antoviaque/configuration,Stanford-Online/configuration,arifsetiawan/configuration,omarkhan/configuration,hastexo/edx-configuration,hks-epod/configuration,Livit/Livit.Learn.EdX.configuration,arifsetiawan/configuration,eduStack/configuration,hks-epod/configuration,open-craft/configuration,Livit/Livit.Learn.EdX.configuration,EDUlib/configuration,edx/configuration,stvstnfrd/configuration,antoviaque/configuration,pobrejuanito/configuration,omarkhan/configuration,stvstnfrd/configuration,proversity-org/configuration,pobrejuanito/configuration,Stanford-Online/configuration,appsembler/configuration,EDUlib/configuration,CredoReference/configuration,Livit/Livit.Learn.EdX.configuration,nunpa/configuration,antoviaque/configuration,arifsetiawan/configuration,rue89-tech/configuration,kursitet/configuration,eduStack/configuration,armaan/edx-configuration,Stanford-Online/configuration,armaan/edx-configuration,fghaas/edx-configuration,openfun/configuration,gsehub/configuration,EDUlib/configuration,hastexo/edx-configuration,pobrejuanito/configuration,antoviaque/configuration,stvstnfrd/configuration,gsehub/configuration,rue89-tech/configuration,gashac03/ubuntu,nunpa/configuration,kursitet/configuration,Stanford-Online/configuration,stvstnfrd/configuration,hks-epod/configuration,arbrandes/edx-configuration,usernamenumber/configuration,hks-epod/configuration,hastexo/edx-configuration,appsembler/configuration,EDUlib/configuration,open-craft/configuration,proversity-org/configuration,openfun/configuration,pobrejuanito/configuration,EDUlib/configuration,usernamenumber/configuration,marcore/configuration,stvstnfrd/configuration,fghaas/edx-configuration,alu042/configuration,lgfa29/configuration,mitodl/configuration,jorgeomarmh/configuration,proversity-org/configuration,jorgeomarmh/configuration,gsehub/configuration,eduStack/configuration,hastexo/edx-configuration,alu042/configuration,fghaas/edx-configuration,CredoReference/configuration,CredoReference/configuration,alu042/configuration,mitodl/configuration,arbrandes/edx-configuration,lgfa29/configuration,lgfa29/configuration,edx/configuration,edx/configuration,rue89-tech/configuration,Livit/Livit.Learn.EdX.configuration,IndonesiaX/configuration,proversity-org/configuration,michaelsteiner19/open-edx-configuration,gashac03/ubuntu,open-craft/configuration,gashac03/ubuntu,kursitet/configuration,IndonesiaX/configuration,openfun/configuration,rue89-tech/configuration,hastexo/edx-configuration,nunpa/configuration,usernamenumber/configuration,arifsetiawan/configuration,marcore/configuration,kursitet/configuration,Stanford-Online/configuration,arbrandes/edx-configuration,armaan/edx-configuration