Chapter 5 - Probabilistic Analysis

This legacy guide forwards to the native fourth-edition Chapter 5 guide CLRSLean.FourthEdition.Chapter_05. The third-edition-numbered section imports CLRSLean.Chapter_05.Section_05_* (including the on-line hiring submodule) also forward to the native fourth-edition sources during the compatibility period (see docs/migrations/clrs4.md).