https://eu.finalfantasyxiv.com/jobguide/battle/

I am not sure if you're aware of this, but we'd already have the "basis" for what you propose!

It would need to be expanded on to really fit what you're describing but I think we'd be best off with the option to post said job-guides in some sort of "sub-category" of the job-guides (and then using your proposed upvote-system)