[ ] user can see times and dates that are already booked up in the time and date pickers
[ ] user can check the coursebook and gitter at a quick glance to check if there are any events or obligations that will clash with their proposed time
[x] user enters talk, which gets entered in the database
[x] user can view their talk in the list of talks
[x] user can see their list of talks update after they add one in the dashboard
User Story: I want to be able to add my lightning talks