Update DevWinUI.slnx

Author: ghost1372

DevWinUI.slnx

@@ -7,7 +7,6 @@
   <Folder Name="/Solution Items/" Id="33905DB2-64FA-4677-9694-9064DC5A0372">
     <File Path="tools/AppData.Schema.json" />
     <File Path="Directory.Build.props" />
-    <File Path="README.md" />
   </Folder>
   <Folder Name="/Solution Items/Configs/">
     <File Path=".editorconfig" />
@@ -19,6 +18,7 @@
     <File Path="docs/Migration.md" />
     <File Path="docs/Policy" />
     <File Path="docs/ThirdPartyNotices.txt" />
+    <File Path="README.md" />
   </Folder>
   <Folder Name="/Solution Items/Files/">
     <File Path="Clean-obj-bin.bat" />