Links for stuff in welcome message:

Badge Sheet: https://docs.google.com/spreadsheets/d/1x4Fa69s1KJz19movFOVAGszW_GBoEoWU3xy2iMXual8/edit#gid=0

Challenge Sheet: https://docs.google.com/document/d/16lVLz79XVi2xKEBsw181tG7QGofHOavqPYxOLYpj_fs/edit

Challenger Application: https://docs.google.com/forms/d/1F-PsjIh3quFs2TnpOMcm3KNGD5BkRvZeMsF_xmfwqCY/viewform