what mod would you want? like what theme, items, or critters? a goal is half an action plan and an action plan is half a job well-done
a goal and copious use of copypaste will get you far. I was familiar with small scale modding from my own DF experiences but I learned by copying existing templates…
Heck, I still like to copy existing templates. I even submitted a template to the core game for people to copy.