Thank you for your interest, @user12443, and welcome to the community!
As for the sync option, we’ve started working on the Importing events from your Google Calendar feature, which is going to be our first step 
By the way, we’re currently discussing very important questions regarding that feature concept, so feel free to join us here: Import events from an existing Google Calendar - #52
We also have a separate request for a subscribe to the whole calendar option, please vote for it here: Can you create an option for people to subscribe to event calendar 