Hey there! Glad to see you taking interest in helping our community.
We handpick our moderators based on our own observations on how awesome and polite they are with our community. They are our eyes and carry our shield when we are heads down on other projects.
At this time, there is no application process for becoming a moderator. Just be awesome, be helpful, follow our Code of Conduct, and most of all, have fun. If the opportunity arises and you are selected, you'll know.