feat(*): Add base Factory class

FileRepository/Factory.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace FileRepository
+{
+    /// <summary>
+    /// A factory to enable consumers of this package to easily get a specific type of repository.
+    /// </summary>
+    public class Factory
+    {
+    }
+}