Create updateCommunityEvent

[ojongerius]

Was not implemented as part of #177

[sivakar12]

I can do this if nobody else is doing it

[ojongerius]

@sivakar12 that would be awesome!

[sivakar12]

Since we are using async-await on Promises, wouldn't it be better to use try catch for errors instead of passing a callback to catch on the promise?