coreR October 2023 registration and initial setup

[hdolinh]

Tasks for coreR October 2023 session

[hdolinh]

• [x] create aventri registration
  • [x] test registration
• [x] update LH webpage on NCEAS website
• [x] add event to LH google calendar
• [x] respond to coreR inquires

[hdolinh]

Logistics To-do

• [x] Check in with Ginger about what is the last possible date for hotel block (determines what is the registration deadline)