Add "Image" context to add images for the users

Back/skydiveLogs-api.Business/Interface/IImageService.cs

@@ -0,0 +1,20 @@
+using System.Collections.Generic;
+
+using skydiveLogs_api.Model;
+
+
+namespace skydiveLogs_api.Business.Interface
+{
+    public interface IImageService
+    {
+        IEnumerable<Image> GetAllImages();
+
+        Image GetImageById(int id);
+
+        void AddNewImage(Image Image);
+
+        void UpdateImage(int id, Image Image);
+
+        void DeleteImageById(int id);
+    }
+}