Close the backticks in gpui geometry examples (#10579)

I noticed some of the examples in `crates/gpui/src/geometry.rs` were
missing ending triple backticks.

Release Notes:

- N/A

Kyle Kelley committed 2y ago

f5c2483423c92bd3b891f6c612e4a379f169ca3e

Parent: 4d314b2

Committed by GitHub <noreply@github.com> on 4/15/2024, 11:52:19 PM