Added the tutorials link (tensorflow#19844)

The very first time users would like to have a clear navigation where they can find the tutorials regarding the additional resources where they can learn the specific tasks in TensorFlow.

README.md

@@ -56,6 +56,7 @@ $ python
 42
 >>> sess.close()
 ```
+Learn more examples about how to do specific tasks in TensorFlow at the [tutorials page of tensorflow.org](https://www.tensorflow.org/tutorials/).
 
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