It would be nice if everybody who enters the forum has to go through a forum tutorial before posting something. So before the tutorial the user has level 0 and can only read and after the tutorial he has level 1 and can post stuff. i don’t know the level system just example.
In the tutorial the user learn how the forum is structured and what the rules are and what categories are there and how to post in each category. This tutorial could be a chat bot which asks the question and if the answer is correct the user levels up. I once had this experience in a forum where i leveled up by interacting with a chat bot this was nice. They also had some secret rewards for people who kept going and learned more and more. perhaps you can create also tutorials about aragon ecosystem as a hole and reward people with real ANT and test ETH to test aragon client and play with it ?