📝 Add note about path declaration order

docs/src/path_params/tutorial003.py

@@ -1,10 +1,13 @@
-from uuid import UUID
-
 from fastapi import FastAPI
 
 app = FastAPI()
 
 
-@app.get("/items/{item_id}")
-async def read_item(item_id: UUID):
-    return {"item_id": item_id}
+@app.get("/users/me")
+async def read_user_me():
+    return {"user_id": "the current user"}
+
+
+@app.get("/users/{user_id}")
+async def read_user(user_id: str):
+    return {"user_id": user_id}