Created a Settings Service

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

ModernKeePass/Interfaces/IRecent.cs

@@ -0,0 +1,14 @@
+using System.Collections.ObjectModel;
+using System.Threading.Tasks;
+using Windows.Storage;
+
+namespace ModernKeePass.Interfaces
+{
+    public interface IRecent
+    {
+        int EntryCount { get; }
+        Task<IStorageItem> GetFileAsync(string token);
+        ObservableCollection<IRecentItem> GetAllFiles(bool removeIfNonExistant = true);
+        void Add(IStorageItem file, string metadata);
+    }
+}

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; }
+    }
+}

ModernKeePass/Interfaces/IResource.cs

@@ -0,0 +1,7 @@
+namespace ModernKeePass.Interfaces
+{
+    public interface IResource
+    {
+        string GetResourceValue(string key);
+    }
+}

ModernKeePass/Interfaces/ISettings.cs

@@ -0,0 +1,8 @@
+namespace ModernKeePass.Interfaces
+{
+    public interface ISettings
+    {
+        T GetSetting<T>(string property);
+        void PutSetting<T>(string property, T value);
+    }
+}