updating readme for app deploy

Author: jeroenterheerdt

samples/features/sql-big-data-cluster/app-deploy/README.md

@@ -22,8 +22,10 @@ These samples demonstrates how you can deploy a simple R app into SQL Server big
 |Sample|Description|
 |-|-|
 |__[RollDice](RollDice/)__|This sample demonstrates the use of data frames by rolling dices|
+|__[sentiment-analysis](sentiment-analysis)__|Demonstrates how to run a sentiment analysis on a pre-trained model|
 |__[sumofsq](sumofsq/)__|Returns the sum of squares of two input numbers|
 
+
 ### MLeap 
 
 |Sample|Description|