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

OpenArchival.Database/FilePathProvider/IFilePathProvider.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OpenArchival.Database;
+
+public interface IFilePathProvider
+{
+    public Task<bool> AddFile(string path);
+
+    public Task<bool> RemoveFile(string path);
+
+    public Task<IEnumerable<FileInfo>> SearchFiles(string filename);
+
+    public Task<IEnumerable<FileInfo>> TopFiles(int resultsCount);
+}