Moved application code to the Application layer

Imported Win10 project
Code cleanup
WIP - Use common UWP services for Win8.1 and Win10

ModernKeePass.Domain/Domain.csproj

@@ -57,6 +57,7 @@
     <Compile Include="Exceptions\SaveException.cs" />
     <Compile Include="Interfaces\IDateTime.cs" />
     <Compile Include="Interfaces\IHasSelectableObject.cs" />
+    <Compile Include="Interfaces\IImportFormat.cs" />
     <Compile Include="Interfaces\IIsEnabled.cs" />
     <Compile Include="Interfaces\ISelectableModel.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />

ModernKeePass.Domain/Dtos/Credentials.cs

@@ -3,7 +3,7 @@
     public class Credentials
     {
         public string Password { get; set; }
-        public string KeyFilePath { get; set; }
+        public byte[] KeyFileContents { get; set; }
         // TODO: add Windows Hello
     }
 }

ModernKeePass.Domain/Interfaces/IImportFormat.cs

@@ -0,0 +1,10 @@
+using System.Collections.Generic;
+using System.Threading.Tasks;
+
+namespace ModernKeePass.Domain.Interfaces
+{
+    public interface IImportFormat
+    {
+        Task<List<Dictionary<string, string>>> Import(string path);
+    }
+}