Added introduction chapter to README.md.

iluwatar · iluwatar · commit 46a6ff2894da · 2015-03-31T19:43:35.000+03:00
diff --git a/README.md b/README.md
@@ -5,6 +5,14 @@
 
 ![Build status](https://travis-ci.org/iluwatar/java-design-patterns.svg?branch=master)
 
+## Introduction
+
+Design patterns are formalized best practices that the programmer can use to solve common problems when designing an application or system.
+
+Design patterns can speed up the development process by providing tested, proven development paradigms.
+
+Reusing design patterns helps to prevent subtle issues that can cause major problems, and it also improves code readability for coders and architects who are familiar with the patterns.
+
 ## <a name="list-of-design-patterns">List of Design Patterns</a>
 
 ### Creational Patterns
