Use Frecency algorithm for history prediction?

[SteveL-MSFT]

Description of the new feature/enhancement

Seems that the frecency algorithm is popular for predicting bookmarks, we should see about using this for history prediction.

[kilasuit]

@SteveL-MSFT that link seems to have been pulled but this looks to be a cache of the content Frecency algorithm

[andyleejordan]

Frecency is fantastic and what I leaned on heavily in Emacs' history completions, so this would be great.