Fix cache reference

src/Managing.Application.Abstractions/Services/ICacheService.cs

@@ -0,0 +1,11 @@
+namespace Managing.Application.Abstractions.Services;
+
+public interface ICacheService
+{
+    string SaveValue(string name, string value);
+    string GetValue(string key);
+    void RemoveValue(string key);
+    T GetOrSave<T>(string name, Func<T> action, TimeSpan slidingExpiration);
+    T GetValue<T>(string key);
+    void SaveValue<T>(string name, T value, TimeSpan slidingExpiration);
+}