Added missing IndentedOptionsName constant

Author: xperiandri

src/FSharp.Data.GraphQL.Server.AspNetCore/GraphQLOptions.fs

@@ -15,6 +15,10 @@ module GraphQLOptionsDefaults =
     let [<Literal>] WebSocketEndpoint = "/ws"
     let [<Literal>] WebSocketConnectionInitTimeoutInMs = 3000
 
+module GraphQLOptions =
+
+    let [<Literal>] IndentedOptionsName = "Indented"
+
 type GraphQLTransportWSOptions = {
     EndpointUrl : string
     ConnectionInitTimeout : TimeSpan

src/FSharp.Data.GraphQL.Server.AspNetCore/StartupExtensions.fs

@@ -76,7 +76,7 @@ module ServiceCollectionExtensions =
                             member this.Create name = (getOptions sp)
                         }
                 )
-                .Configure<GraphQLOptions<'Root>>(IndentedOptionsName, (fun o -> o.SerializerOptions.WriteIndented <- true))
+                .Configure<GraphQLOptions<'Root>>(GraphQLOptions.IndentedOptionsName, (fun o -> o.SerializerOptions.WriteIndented <- true))
                 .AddSingleton<IOptionsFactory<IGraphQLOptions>>(fun sp ->
                     { new IOptionsFactory<IGraphQLOptions> with
                         member this.Create name =

src/FSharp.Data.GraphQL.Server.Giraffe/HttpHandlers.fs

@@ -45,7 +45,7 @@ module HttpHandlers =
         let toResponse { DocumentId = documentId; Content = content; Metadata = metadata } =
 
             let serializeIndented value =
-                let jsonSerializerOptions = options.Get(IndentedOptionsName).SerializerOptions
+                let jsonSerializerOptions = options.Get(GraphQLOptions.IndentedOptionsName).SerializerOptions
                 JsonSerializer.Serialize (value, jsonSerializerOptions)
 
             match content with

src/FSharp.Data.GraphQL.Server.Oxpecker/HttpEndpoints.fs

@@ -2,6 +2,7 @@ namespace FSharp.Data.GraphQL.Server.AspNetCore.Giraffe
 
 open System
 open System.IO
+open System.Runtime.InteropServices
 open System.Text.Json
 open System.Text.Json.Serialization
 open System.Threading.Tasks
@@ -17,7 +18,6 @@ open FSharp.Data.GraphQL
 open FSharp.Data.GraphQL.Ast
 open FSharp.Data.GraphQL.Server
 open FSharp.Data.GraphQL.Server.AspNetCore
-open System.Runtime.InteropServices
 
 module HttpEndpoints =
 
@@ -38,7 +38,7 @@ module HttpEndpoints =
         let toResponse { DocumentId = documentId; Content = content; Metadata = metadata } =
 
             let serializeIndented value =
-                let jsonSerializerOptions = options.Get(IndentedOptionsName).SerializerOptions
+                let jsonSerializerOptions = options.Get(GraphQLOptions.IndentedOptionsName).SerializerOptions
                 JsonSerializer.Serialize(value, jsonSerializerOptions)
 
             match content with