feat: add lru cache

algorithm/lru_cache_test.go

@@ -0,0 +1,19 @@
+package algorithm
+
+import (
+	"testing"
+
+	"github.com/duke-git/lancet/internal"
+)
+
+func TestLRUCache(t *testing.T) {
+	asssert := internal.NewAssert(t, "TestLRUCache")
+
+	cache := NewLRUCache[int, int](2)
+
+	cache.Put(1, 1)
+	cache.Put(2, 2)
+
+	_, ok := cache.Get(0)
+	asssert.Equal(false, ok)
+}