History of serve 4 changes

In crates/hub/src/lib.rs, lines 376–441 on v0.9.24. 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 376,441:crates/hub/src/lib.rs.