My courses (/become-a-teacher/courses) lists the status of every course you've proposed. If you haven't proposed any yet you'll see "You don't have any courses yet" and a Propose a course button.
Drafts
Section titled “Drafts”A course you started and didn't submit shows up as a draft, with a link to continue right where you left off. Nothing has to be redone: the form saves itself.
Submitted proposals
Section titled “Submitted proposals”Once submitted, the course carries a link to its Pull Request on GitHub. That Pull Request is where the review actually happens: comments, change requests and approval. It's worth turning on GitHub notifications so you hear about replies.
Back to the campus
Section titled “Back to the campus”From your instructor space, Go to Moodle takes you to the campus. They're separate accounts: teaching doesn't automatically give you a student account, or the other way round.