Update README.md

Author: amit08255

README.md

@@ -1,2 +1,5 @@
-# react-patterns
-React design pattern guide
+# React Design Pattern Guide
+
+React design pattern guide to write clean code in React.
+
+**Always remember this thumb rule:** Keep components to less than 100 lines. As you start to get into the 100-250 line territory you should really start thinking about refactoring. If you are at 500+ lines of code, that should be refactored as soon as possible.