History of hubUrl 3 changes

In src/hub.ts, lines 224–250 on ed89cb46725db2c29193cb79d1796d7acde7a94c1e9e4fd9f644b38c7467caef. 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.