Add readme for mongoose upgrade

EvanHahn · EvanHahn · commit e25963713e7d · 2016-10-05T10:29:11.000-07:00
See #3.
diff --git a/Chapter_08/learn-about-me/README.md b/Chapter_08/learn-about-me/README.md
@@ -0,0 +1,4 @@
+Learn About Me
+==============
+
+This example is very similar to the one in the book. The only difference is that the `mongoose` dependency has been updated to version 4 to fix some errors.
