Adding of archive items is mostly operational. Need to handle file upload

OpenArchival.Database/Defects/IDefectsProvider.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenArchival.Database;
+
+public interface IDefectsProvider
+{
+    public Task<bool> AddDefect(string defect);
+
+    public Task<bool> RemoveDefect(string defect);
+
+    public Task<bool> ContainsDefect(string defect);
+
+    public Task<IEnumerable<string>> SearchDefects(string query);
+
+    public Task<IEnumerable<string>> TopDefects(int resultCount);
+}