Added GitHub logo from old master
Added GitHub logo from old master

NetherlandsMetabolomicsCentre/GSCF,PhenotypeFoundation/PhenotypeDatabase,PhenotypeFoundation/PhenotypeDatabase-legacy,thehyve/GSCF,thehyve/GSCF,TNO/PhenotypeDatabase,PhenotypeFoundation/PhenotypeDatabase,PhenotypeFoundation/PhenotypeDatabase-legacy,TNO/PhenotypeDatabase,PhenotypeFoundation/PhenotypeDatabase-legacy,NetherlandsMetabolomicsCentre/GSCF