dima/go-common: Сommon libraries

Dmitriy Gnatenko 1b9d3a6ed8 Add LRU memory cache		7 ay önce
..
cache.go	1b9d3a6ed8 Add LRU memory cache	7 ay önce
readme.md	1b9d3a6ed8 Add LRU memory cache	7 ay önce

		
				readme.md
			
				Usage example

cache := NewCache()

cache.Set("1", "value 1")

val1, found1 := cache.Get("1") // "value 1", true
val2, found2 := cache.Get("2") // nil, false