Docs: Add info about how to block Google Translate
Docs: Add info about how to block Google Translate

Inform users on how to disable the translation prompt in Chrome or
block Google Translate from translating a web page or any particular
section of the web page.

See also: https://support.google.com/translate/?hl=en#2641276.

Close: #1440.

kcmckell/html5-boilerplate