doc: improve examples.

docs/content/middlewares/basicauth.md

@@ -44,7 +44,7 @@ labels:
   - "traefik.http.middlewares.test-auth.basicauth.users=test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/,test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"
 ```
 
-```toml tab="File"
+```toml tab="File (TOML)"
 # Declaring the user list
 [http.middlewares]
   [http.middlewares.test-auth.basicAuth]
@@ -54,6 +54,17 @@ labels:
   ]
 ```
 
+```yaml tab="File (YAML)"
+# Declaring the user list
+http:
+  middlewares:
+    test-auth:
+      basicAuth:
+        users:
+        - "test:$apr1$H6uskkkW$IgXLP6ewTrSuBkTrqE8wj/" 
+        - "test2:$apr1$d9hr9HBB$4HxwgUir3HP4EsggP/QNo0"
+```
+
 ## Configuration Options
 
 ### General
@@ -119,12 +130,21 @@ spec:
 }
 ```
 
-```toml tab="File"
+```toml tab="File (TOML)"
 [http.middlewares.my-auth.basicAuth]
   # ...
   headerField = "X-WebAuth-User"
 ```
 
+```yaml tab="File (YAML)"
+http:
+  middlewares:
+    my-auth:
+      basicAuth:
+        # ...
+        headerField: "X-WebAuth-User"
+```
+
 ### `removeHeader`
 
 Set the `removeHeader` option to `true` to remove the authorization header before forwarding the request to your service. (Default value is `false`.)