History of hubUrl 3 changes

In src/hub.ts, lines 224–250 on d8ac8f93fd34e472410f33d5035fe84b6f04917d2c0607b795f379d308531fff. 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 224,250:src/hub.ts.