adjust challengers list
adjust challengers list

raphamorim/write-code-every-day,arthurvasconcelos/write-code-every-day,arthurvasconcelos/write-code-every-day,arthurvasconcelos/write-code-every-day,raphamorim/write-code-every-day,raphamorim/write-code-every-day,pablobfonseca/write-code-every-day,pablobfonseca/write-code-every-day,pablobfonseca/write-code-every-day