Omit NullableContextAttribute from ECMAXML (#715) (#716)

* Omit NullableContextAttribute from ECMAXML

* update

* update version

* update

* update version

* add nuget.config

* upgrade version

* remove  NuGet.config

Author: huangmin-ms

mdoc/Consts.cs

@@ -3,7 +3,7 @@ namespace Mono.Documentation
 {
     public static class Consts
     {
-        public static string MonoVersion = "5.9.3.5";
+        public static string MonoVersion = "5.9.3.6";
         public const string DocId = "DocId";
         public const string CppCli = "C++ CLI";
         public const string CppCx = "C++ CX";

mdoc/Mono.Documentation/Updater/Formatters/AttributeFormatters/AttributeFormatter.cs

@@ -181,6 +181,7 @@ private bool IsIgnoredAttribute(CustomAttribute customAttribute)
 		    "System.Runtime.CompilerServices.DynamicAttribute",
 		    // F# compiler attribute
 		    "Microsoft.FSharp.Core.CompilationMapping",
+            "System.Runtime.CompilerServices.NullableContextAttribute",
         };
     }
 }

mdoc/mdoc.nuspec

@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>mdoc</id>
-    <version>5.9.3.5</version>
+    <version>5.9.3.6</version>
     <title>mdoc</title>
     <authors>Microsoft</authors>
     <owners>Microsoft</owners>