Ignore docs warnings

Source/Apos.Gui.csproj

@@ -23,6 +23,7 @@
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <IncludeSymbols>true</IncludeSymbols>
     <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    <NoWarn>CS1591</NoWarn>
   </PropertyGroup>
 
   <ItemGroup>