Update README.md

Author: aatishar

README.md

@@ -2,7 +2,7 @@
 Implemantation of Composite Pattern in C#
 
 # To Do
--Add a type propety. Enum: Chapter and Item. Price property represents subtotal for chapter.
--Create a method to flatten tree.
--Create a method to filter tree. Use a backing property which will contain all children and a readonly property that will contain the filltered result/items.
--Write Unit Test.
+- Add a type propety. Enum: Chapter and Item. Price property represents subtotal for chapter.
+- Create a method to flatten tree.
+- Create a method to filter tree. Use a backing property which will contain all children and a readonly property that will contain the filltered result/items.
+- Write Unit Test.