refactor(attr-attribute): move into models namespace

non-breaking change since all models already require the models namespace for Identifiable

Author: jaredcnance

src/JsonApiDotNetCore/Internal/ContextEntity.cs

@@ -1,4 +1,5 @@
 using System;
+using JsonApiDotNetCore.Models;
 using System.Collections.Generic;
 
 namespace JsonApiDotNetCore.Internal

src/JsonApiDotNetCore/Internal/ContextGraphBuilder.cs

@@ -3,6 +3,7 @@
 using System.Linq;
 using System.Reflection;
 using Microsoft.EntityFrameworkCore;
+using JsonApiDotNetCore.Models;
 
 namespace JsonApiDotNetCore.Internal
 {

src/JsonApiDotNetCore/Internal/Query/FilterQuery.cs

@@ -1,3 +1,5 @@
+using JsonApiDotNetCore.Models;
+
 namespace JsonApiDotNetCore.Internal.Query
 {
     public class FilterQuery

src/JsonApiDotNetCore/Internal/Query/QuerySet.cs

@@ -4,6 +4,7 @@
 using JsonApiDotNetCore.Extensions;
 using JsonApiDotNetCore.Services;
 using Microsoft.AspNetCore.Http;
+using JsonApiDotNetCore.Models;
 
 namespace JsonApiDotNetCore.Internal.Query
 {

src/JsonApiDotNetCore/Internal/Query/SortQuery.cs

@@ -1,3 +1,5 @@
+using JsonApiDotNetCore.Models;
+
 namespace JsonApiDotNetCore.Internal.Query
 {
     public class SortQuery

src/JsonApiDotNetCore/Internal/AttrAttribute.cs renamed to src/JsonApiDotNetCore/Models/AttrAttribute.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Reflection;
 
-namespace JsonApiDotNetCore.Internal
+namespace JsonApiDotNetCore.Models
 {
     public class AttrAttribute : Attribute
     {