📝 Update includes for `docs/en/docs/tutorial/metadata.md` (#12773)

Co-authored-by: Sebastián Ramírez <[email protected]>

docs/en/docs/tutorial/metadata.md

@@ -18,9 +18,7 @@ You can set the following fields that are used in the OpenAPI specification and
 
 You can set them as follows:
 
-```Python hl_lines="3-16  19-32"
-{!../../docs_src/metadata/tutorial001.py!}
-```
+{* ../../docs_src/metadata/tutorial001.py hl[3:16, 19:32] *}
 
 /// tip
 
@@ -38,9 +36,7 @@ Since OpenAPI 3.1.0 and FastAPI 0.99.0, you can also set the `license_info` with
 
 For example:
 
-```Python hl_lines="31"
-{!../../docs_src/metadata/tutorial001_1.py!}
-```
+{* ../../docs_src/metadata/tutorial001_1.py hl[31] *}
 
 ## Metadata for tags
 
@@ -62,9 +58,7 @@ Let's try that in an example with tags for `users` and `items`.
 
 Create metadata for your tags and pass it to the `openapi_tags` parameter:
 
-```Python hl_lines="3-16  18"
-{!../../docs_src/metadata/tutorial004.py!}
-```
+{* ../../docs_src/metadata/tutorial004.py hl[3:16,18] *}
 
 Notice that you can use Markdown inside of the descriptions, for example "login" will be shown in bold (**login**) and "fancy" will be shown in italics (_fancy_).
 
@@ -78,9 +72,7 @@ You don't have to add metadata for all the tags that you use.
 
 Use the `tags` parameter with your *path operations* (and `APIRouter`s) to assign them to different tags:
 
-```Python hl_lines="21  26"
-{!../../docs_src/metadata/tutorial004.py!}
-```
+{* ../../docs_src/metadata/tutorial004.py hl[21,26] *}
 
 /// info
 
@@ -108,9 +100,7 @@ But you can configure it with the parameter `openapi_url`.
 
 For example, to set it to be served at `/api/v1/openapi.json`:
 
-```Python hl_lines="3"
-{!../../docs_src/metadata/tutorial002.py!}
-```
+{* ../../docs_src/metadata/tutorial002.py hl[3] *}
 
 If you want to disable the OpenAPI schema completely you can set `openapi_url=None`, that will also disable the documentation user interfaces that use it.
 
@@ -127,6 +117,4 @@ You can configure the two documentation user interfaces included:
 
 For example, to set Swagger UI to be served at `/documentation` and disable ReDoc:
 
-```Python hl_lines="3"
-{!../../docs_src/metadata/tutorial003.py!}
-```
+{* ../../docs_src/metadata/tutorial003.py hl[3] *}