Update README.md

[SchlenkR]

Added a link to the latest F# docs repository (located in .Net Docs repo).

[opbld31]

Docs Build status updates of commit bd7078e:

:x: Validation status: errors

Please follow instructions here which may help to resolve issue.

File	Status	Preview URL	Details
[]()	:x:Error		Details

• [Error-MultipleSiteNamesForOneRepository] The repository https://github.com/MicrosoftDocs/visualfsharpdocs has multiple site names Docs, MSDN, please make sure all docsets in repository https://github.com/MicrosoftDocs/visualfsharpdocs use same site name

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