Vignettes and other documentation

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Vignettes from package 'googleLanguageR'

googleLanguageR::nlp		Google Natural Language API	HTML	source
googleLanguageR::setup		Introduction to googleLanguageR	HTML	source
googleLanguageR::speech		Google Cloud Speech-to-Text API	HTML	source
googleLanguageR::text-to-speech		Google Cloud Text-to-Speech API	HTML	source
googleLanguageR::translation		Google Cloud Translation API	HTML	source