Add missing link to the eager guide.

MarkDaoust · web-flow · commit cf65769beffb · 2018-04-10T08:46:34.000-07:00
diff --git a/tensorflow/docs_src/programmers_guide/index.md b/tensorflow/docs_src/programmers_guide/index.md
@@ -5,6 +5,7 @@ works. The units are as follows:
 
 ## High Level APIs
 
+  * @{$programmers_guide/eager}, which is the easiest way to use tensorflow.
   * @{$programmers_guide/estimators}, which introduces a high-level
     TensorFlow API that greatly simplifies ML programming.
   * @{$programmers_guide/datasets}, which explains how to
