Small ResourceManager refactor, add ResourceSaver<T>.

DaggerFramework/Source/SceneGraph/Resources/SerializedSceneSaver.cs

@@ -0,0 +1,23 @@
+using DaggerFramework.Resources;
+using DaggerFramework.Utils;
+
+namespace DaggerFramework.SceneGraph
+{
+    public class SerializedSceneSaver : IResourceSaver<SerializedScene>
+    {
+        public bool TrySave(string path, in SerializedScene resource)
+        {
+            if (resource.Buffer is null)
+            {
+                _logger.Error($"Tried to save a resource at \"{path}\" with a null buffer!");
+                return false;
+            }
+
+            File.WriteAllBytes(path, resource.Buffer);
+
+            return true;
+        }
+
+        private Logger _logger = new(nameof(SerializedSceneSaver));
+    }
+}