Created a Settings Service

Created a Recent Service
Created a Resources Service
Code refactor
Updated tests

ModernKeePass/Interfaces/IRecentItem.cs

@@ -0,0 +1,11 @@
+using Windows.Storage;
+
+namespace ModernKeePass.Interfaces
+{
+    public interface IRecentItem
+    {
+        StorageFile DatabaseFile { get; }
+        string Token { get; }
+        string Name { get; }
+    }
+}