Different algos and data structures from book "Algorithms" by Skiena

Gregory a90f8032bf fix tests		2021-12-14 12:44:57 +02:00
fundamentals	fix tests	2021-12-14 12:44:57 +02:00
sorting	insertion sort	2021-12-14 12:35:28 +02:00
go.mod	init	2021-11-08 20:32:55 +02:00