Add feature sentiment analysis

[cleitonfelipe]

I add to feature for sentiment analysis from text because if you going to another country that speaks English and you not yet, it is a good idea to check if your phrase makes sense and which sentiment you show at this moment.

For this, I used the API SentimentAnalysis of Azure Cognitive Services.
Positive Sentiment:

Negative Sentiment:

[codemillmatt]

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