Add project files.

Core.Blueprint.DAL.Redis/Contracts/ICacheService.cs

@@ -0,0 +1,11 @@
+namespace Core.Blueprint.DAL.Redis.Contracts
+{
+    public interface ICacheService
+    {
+        Task<T> GetAsync<T>(string key);
+        Task SetAsync<T>(string key, T value, TimeSpan? expiry = null);
+        Task RemoveAsync(string key);
+        Task<bool> ExistsAsync(string key);
+        Task RefreshAsync(string key, TimeSpan? expiry = null);
+    }
+}