add ttl to cache

Author: markus621

cache/common.go

@@ -1,9 +1,12 @@
 package cache
 
+import "time"
+
 type TCache[K comparable, T interface{}] interface {
 	Has(key K) bool
 	Get(key K) (T, bool)
 	Set(key K, value T)
+	SetWithTTL(key K, value T, ttl time.Time)
 	Del(key K)
 	Keys() []K
 	Flush()