History of router 2 changes

In crates/oxy-server/src/lib.rs, lines 162–172 on b3c5a59a875ad8c743bf5622a247d362654f96581948c75a3af2ec8082f76073. 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 162,172:crates/oxy-server/src/lib.rs.