History of Picker::peer 1 change

In crates/jet/src/swarm.rs, lines 207–210 on v0.3.0. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 207,210:crates/jet/src/swarm.rs.