History of serve 3 changes

In crates/oxy-server/src/lib.rs, lines 409–427 on v0.1.0. 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 409,427:crates/oxy-server/src/lib.rs.