新增 FlowScope Git 包雏形

Packages/com.flowscope.gamecore/Runtime/Save/ISaveService.cs

@@ -0,0 +1,13 @@
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace FlowScope.Save
+{
+    public interface ISaveService
+    {
+        Task SaveAsync<T>(string key, T data, CancellationToken cancellationToken);
+        Task<T> LoadAsync<T>(string key, T defaultValue, CancellationToken cancellationToken);
+        void Delete(string key);
+        bool Exists(string key);
+    }
+}