feat(Format): create to centrilize the formats.

- Add json serializer settings for diagnostics and implement to DocumentController

EnvelopeGenerator.Web/Controllers/DocumentController.cs

@@ -1,15 +1,14 @@
 using DigitalData.Core.Exceptions;
 using EnvelopeGenerator.Application.EnvelopeReceivers.Queries;
-using EnvelopeGenerator.Web.Services;
+using EnvelopeGenerator.Domain.Constants;
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
 using Newtonsoft.Json;
-using Newtonsoft.Json.Serialization;
 
 namespace EnvelopeGenerator.Web.Controllers;
 
-[Authorize(Roles = Domain.Constants.ReceiverRole.FullyAuth)]
+[Authorize(Roles = ReceiverRole.FullyAuth)]
 [ApiController]
 [Route("api/[controller]")]
 public class DocumentController : ControllerBase
@@ -34,17 +33,10 @@ public class DocumentController : ControllerBase
         if(byteData is null || byteData.Length == 0)
         {
             _logger.LogError("Document byte data is null or empty for envelope-receiver entity:\n{envelopeKey}.",
-                JsonConvert.SerializeObject(envRcv, JsonFormattingForDiagnostics));
+                JsonConvert.SerializeObject(envRcv, Format.Json.ForDiagnostics));
             throw new NotFoundException("Document is empty.");
         }
 
         return File(byteData, "application/octet-stream");
     }
-
-    private static readonly JsonSerializerSettings JsonFormattingForDiagnostics = new()
-    {
-        ContractResolver = new CamelCasePropertyNamesContractResolver(),
-        Formatting = Formatting.Indented,
-        NullValueHandling = NullValueHandling.Include
-    };
 }