fix(api): add missing x-oapi-codegen-middlewares and x-go-package

- for middlewares
- oapi-codegen/runtime

api/v1/openapi.yaml

@@ -1,6 +1,7 @@
 openapi: "3.1.0"
 info:
   version: 1.3.0
+  x-go-package: "github.com/oapi-codegen/runtime"
   title: Backoffice API
   license:
     name: Proprietary
@@ -8,6 +9,8 @@ info:
     name: Vojtěch Mareš
     email: iam@vojtechmares.com
     url: https://www.vojtechmares.com
+  x-oapi-codegen-middlewares:
+    - Middleware
 servers:
   - url: http://localhost:8080/v1
     description: Local development server