Update README.md

Author: rahul-raj

03_Building_Deep_Neural_Networks_for_Binary_classification/README.md

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+### Chapter 3 : Building Deep Neural Networks for Binary classification
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+In this chapter, you will be creating a deep neural network to perform binary classification on customer churn dataset.
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+ 
+ 
+#### Instructions 
+Navigate to **sourceCode** directory and you will see two directories:
+
+ - cookbookapp
+ - spring-dl4j
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+For complete implementation on customer churn prediction, import the maven project: **cookbookapp**. For DL4J Spring integration example, import the maven project:
+**spring-dl4j** 
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+
+
+