Three ways in, and they are not interchangeable. Pick the one that matches what you need and you get a useful answer sooner.
Routes
Where to write
Support · fastest
Discord
Where support actually happens. Open a ticket and it reaches the people who wrote the resource — not a queue, and not a bot. Downloads, licence keys and order problems are all resolved here.
Installation and framework problems
Order, licence and keymaster issues
Bug reports, with your server's console output
Anything that needs someone to look at your account
kojadevelopments@gmail.com — for anything that is not a support question and should not sit in a public server. Slower than Discord; order and licence problems still go to a ticket.
Something built for your server rather than bought off the shelf — a script, a website, or a developer on your team for a stretch. Answer a few questions below and it opens a ticket with the brief already attached.
Answer a few questions and this opens a ticket with your brief attached, so the first reply is about the work rather than about what the work is. You get a scope and a fixed price before anything begins — no hourly billing, no surprises halfway.