Schema fixes.

src/Squidex/Areas/Api/Controllers/Apps/AppClientsController.cs

@@ -72,7 +72,7 @@ namespace Squidex.Areas.Api.Controllers.Apps
         /// </remarks>
         [HttpPost]
         [Route("apps/{app}/clients/")]
-        [ProducesResponseType(typeof(ClientsDto), 200)]
+        [ProducesResponseType(typeof(ClientsDto), 201)]
         [ApiPermission(Permissions.AppClientsCreate)]
         [ApiCosts(1)]
         public async Task<IActionResult> PostClient(string app, [FromBody] CreateClientDto request)

src/Squidex/Areas/Api/Controllers/Apps/AppContributorsController.cs

@@ -70,7 +70,7 @@ namespace Squidex.Areas.Api.Controllers.Apps
         /// </returns>
         [HttpPost]
         [Route("apps/{app}/contributors/")]
-        [ProducesResponseType(typeof(ContributorsDto), 200)]
+        [ProducesResponseType(typeof(ContributorsDto), 201)]
         [ApiPermission(Permissions.AppContributorsAssign)]
         [ApiCosts(1)]
         public async Task<IActionResult> PostContributor(string app, [FromBody] AssignContributorDto request)

src/Squidex/Areas/Api/Controllers/Apps/AppPatternsController.cs

@@ -69,7 +69,7 @@ namespace Squidex.Areas.Api.Controllers.Apps
         /// </returns>
         [HttpPost]
         [Route("apps/{app}/patterns/")]
-        [ProducesResponseType(typeof(PatternsDto), 200)]
+        [ProducesResponseType(typeof(PatternsDto), 201)]
         [ApiPermission(Permissions.AppPatternsCreate)]
         [ApiCosts(1)]
         public async Task<IActionResult> PostPattern(string app, [FromBody] UpdatePatternDto request)

src/Squidex/Areas/Api/Controllers/Apps/AppRolesController.cs

@@ -94,7 +94,7 @@ namespace Squidex.Areas.Api.Controllers.Apps
         /// </returns>
         [HttpPost]
         [Route("apps/{app}/roles/")]
-        [ProducesResponseType(typeof(RolesDto), 200)]
+        [ProducesResponseType(typeof(RolesDto), 201)]
         [ApiPermission(Permissions.AppRolesCreate)]
         [ApiCosts(1)]
         public async Task<IActionResult> PostRole(string app, [FromBody] AddRoleDto request)

src/Squidex/Areas/Api/Controllers/Assets/AssetsController.cs

@@ -178,7 +178,7 @@ namespace Squidex.Areas.Api.Controllers.Assets
         /// </remarks>
         [HttpPost]
         [Route("apps/{app}/assets/")]
-        [ProducesResponseType(typeof(AssetDto), 200)]
+        [ProducesResponseType(typeof(AssetDto), 201)]
         [AssetRequestSizeLimit]
         [ApiPermission(Permissions.AppAssetsCreate)]
         [ApiCosts(1)]

src/Squidex/Areas/Api/Controllers/Contents/ContentsController.cs

@@ -272,7 +272,7 @@ namespace Squidex.Areas.Api.Controllers.Contents
         /// </remarks>
         [HttpPost]
         [Route("content/{app}/{name}/")]
-        [ProducesResponseType(typeof(ContentsDto), 200)]
+        [ProducesResponseType(typeof(ContentsDto), 201)]
         [ApiPermission(Permissions.AppContentsCreate)]
         [ApiCosts(1)]
         public async Task<IActionResult> PostContent(string app, string name, [FromBody] NamedContentData request, [FromQuery] bool publish = false)

src/Squidex/Areas/Api/Controllers/Rules/RulesController.cs

@@ -137,7 +137,7 @@ namespace Squidex.Areas.Api.Controllers.Rules
         /// </remarks>
         [HttpPut]
         [Route("apps/{app}/rules/{id}/")]
-        [ProducesResponseType(typeof(RuleDto), 400)]
+        [ProducesResponseType(typeof(RuleDto), 200)]
         [ApiPermission(Permissions.AppRulesUpdate)]
         [ApiCosts(1)]
         public async Task<IActionResult> PutRule(string app, Guid id, [FromBody] UpdateRuleDto request)

src/Squidex/Areas/Api/Controllers/Schemas/SchemaFieldsController.cs

@@ -41,7 +41,7 @@ namespace Squidex.Areas.Api.Controllers.Schemas
         /// </returns>
         [HttpPost]
         [Route("apps/{app}/schemas/{name}/fields/")]
-        [ProducesResponseType(typeof(SchemaDetailsDto), 200)]
+        [ProducesResponseType(typeof(SchemaDetailsDto), 201)]
         [ApiPermission(Permissions.AppSchemasUpdate)]
         [ApiCosts(1)]
         public async Task<IActionResult> PostField(string app, string name, [FromBody] AddFieldDto request)
@@ -50,7 +50,7 @@ namespace Squidex.Areas.Api.Controllers.Schemas
 
             var response = await InvokeCommandAsync(app, command);
 
-            return StatusCode(201, response);
+            return CreatedAtAction(nameof(SchemasController.GetSchema), new { name = request.Name }, response);
         }
 
         /// <summary>
@@ -68,7 +68,7 @@ namespace Squidex.Areas.Api.Controllers.Schemas
         /// </returns>
         [HttpPost]
         [Route("apps/{app}/schemas/{name}/fields/{parentId:long}/nested/")]
-        [ProducesResponseType(typeof(SchemaDetailsDto), 200)]
+        [ProducesResponseType(typeof(SchemaDetailsDto), 201)]
         [ApiPermission(Permissions.AppSchemasUpdate)]
         [ApiCosts(1)]
         public async Task<IActionResult> PostNestedField(string app, string name, long parentId, [FromBody] AddFieldDto request)
@@ -77,7 +77,7 @@ namespace Squidex.Areas.Api.Controllers.Schemas
 
             var response = await InvokeCommandAsync(app, command);
 
-            return StatusCode(201, response);
+            return CreatedAtAction(nameof(SchemasController.GetSchema), new { name = request.Name }, response);
         }
 
         /// <summary>