[Task] Change route from .json to /json (#501)

* Change route from .json to /json

* Change route here too

doc/00_Installation.md

@@ -59,7 +59,7 @@ https://<your-pimcore-host>/pimcore-studio/api/docs
 
 You can also access the OpenApi documentation in JSON format by navigating to the following URL:
 ```
-https://<your-pimcore-host>/pimcore-studio/api/docs.json
+https://<your-pimcore-host>/pimcore-studio/api/docs/json
 ```
 
 It is also possible to export the OpenApi documentation as a JSON file by running the following command:

src/OpenApi/Controller/OpenApiController.php

@@ -42,7 +42,7 @@ public function index(#[MapQueryString] LocaleParameter $localeParameter = new L
         );
     }
 
-    #[Route('/docs.json', name: 'pimcore_studio_api_docs_json', methods: ['GET'])]
+    #[Route('/docs/json', name: 'pimcore_studio_api_docs_json', methods: ['GET'])]
     public function openapi(#[MapQueryString] LocaleParameter $localeParameter = new LocaleParameter()): JsonResponse
     {
         $config = $this->openApiService->getConfig();