Fixing README.md
Fixing README.md

erpframework/exceljs,peakon/exceljs,bchr02/exceljs,guyonroche/exceljs,adelimon/exceljs,guyonroche/exceljs,qqming113/exceljs,wulfsolter/exceljs,peakon/exceljs,venkatvellaichamy/exceljs,DaSpawn/exceljs