Hello, Kai, great to see your interest.
Honestly, Invader's pretty much summed it up. All of the administrators on the wiki are happy to help, and Invader and Gonel can quickly get you rolling. If you ever need something, chances are you can find it under the Community navbar at the top of each page, but if you ever might need something more specific, wikia has a bunch of tutorials for newer users. Judging from your first page, it seems you're already off to a better start than most, though.
But yeah. Don't hesitate to reach out to the admins or other community members if you need something, from editing assistance to storyline tips to even collaborations.
Welcome to the community and happy editing!