Enhance middleware examples.

docs/content/middlewares/digestauth.md

@@ -9,23 +9,17 @@ The DigestAuth middleware is a quick way to restrict access to your services to
 
 ## Configuration Examples
 
-??? example "File -- Declaring the user list"
+```yaml tab="Docker"
+labels:
+- "traefik.http.middlewares.declared-users-only.digestauth.usersFile=path-to-file.ext",
+```
 
-    ```toml
-    [http.middlewares]
-      [http.middlewares.test-auth.digestauth]
-        users = ["test:traefik:a2688e031edb4be6a3797f3882655c05",
-        "test2:traefik:518845800f9e2bfb1f1f740ec24f074e"]
-    ```
-
-??? example "Docker -- Using an external file for the authorized users"
-
-    ```yml
-    a-container:
-          image: a-container-image 
-            labels:
-              - "traefik.http.middlewares.declared-users-only.digestauth.usersFile=path-to-file.ext",
-    ```
+```toml tab="File"
+[http.middlewares]
+  [http.middlewares.test-auth.digestauth]
+    users = ["test:traefik:a2688e031edb4be6a3797f3882655c05",
+    "test2:traefik:518845800f9e2bfb1f1f740ec24f074e"]
+```
 
 !!! tip