Refactor folder structure

src/Editor/Ghost.Editor/App.xaml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<Application
+    x:Class="Ghost.Editor.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:core="using:Ghost.Editor.Core.Controls"
+    xmlns:local="using:Ghost.Editor">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
+                <ResourceDictionary Source="/Themes/Generic.xaml" />
+                <core:ControlsDictionary />
+            </ResourceDictionary.MergedDictionaries>
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>