added another username to organisers
added another username to organisers

denysdovhan/nodeschool.github.io,jthoms1/nodeschool.github.io,denysdovhan/nodeschool.github.io,nodeschool/nodeschool.github.io,jthoms1/nodeschool.github.io,nodeschool/nodeschool.github.io,jthoms1/nodeschool.github.io,denysdovhan/nodeschool.github.io,nodeschool/nodeschool.github.io