type-graphql @Subscription topic name case sensitivity

Just leaving this github issue here for future travelers that are trying to figure out why their topic/trigger names aren't working. Make sure your trigger names are lowercase and not UPPERCASE or MiXeDcAsE!. Use snake_case!

https://stackoverflow.com/a/5173993

Ping me if you need any help with apollo v3 & type-graphql implementations of subscriptions using this pubsub!