📝 Add extra return fields first-steps example

Co-authored-by: Cursor <[email protected]>

docs/en/docs/tutorial/first-steps.md

@@ -66,6 +66,16 @@ You will see the JSON response as:
 {"message": "Hello World"}
 ```
 
+To return additional fields, update your app to the following:
+
+{* ../../docs_src/first_steps/tutorial004_py310.py *}
+
+Then you will see a JSON response like:
+
+```JSON
+{"message": "Hello World", "status": "ok"}
+```
+
 ### Interactive API docs { #interactive-api-docs }
 
 Now go to [http://127.0.0.1:8000/docs](http://127.0.0.1:8000/docs).

docs_src/first_steps/tutorial004_py310.py

@@ -0,0 +1,9 @@
+from fastapi import FastAPI
+
+app = FastAPI()
+
+
+@app.get("/")
+async def root():
+    return {"message": "Hello World", "status": "ok"}
+