SortAlgorithm

Sort algorithm implemented by Erlang. They are: 1.Bubble sort; 2.Insert sort; 3.Select sort; 4.Shell sort; 5.Heap sort; 6.Merge sort; 7.Quick sort. The reference used was: https://www.cnblogs.com/jing-an-feng-shao/category/893439.html The original version was uploaded. New version will be updated later.