The idea of preloading a lot of topics has been presented here before. I remember one topic that was particularly relevant but I couldn’t find it so maybe I read it on another website like Feverbee
While @chumstick has chosen not to comment, I’d be reluctant to start a new forum with a lot of simple Q&A tpics. Gathering a core group of enthusiastic users would probably be a better option to encourage interaction.
Anyway,you can ignore what I say but I’m also wondering if you’ve read any of the helpful topics on starting a Discourse forum:
Blog posts on building a Discourse community
Other topics on kick-starting and seeding (creating topics and users) a new forum: