Add Bauknecht virtual integration (#39545)

Co-authored-by: Abílio Costa <abmantis@users.noreply.github.com>
Co-authored-by: c0ffeeca7 <38767475+c0ffeeca7@users.noreply.github.com>

source/_integrations/bauknecht.markdown

@@ -0,0 +1,23 @@
+---
+title: Bauknecht
+description: Connect and control your Bauknecht devices using the Whirlpool Appliances integration
+ha_category:
+  - Hub
+ha_integration_type: virtual
+ha_supporting_domain: whirlpool
+ha_supporting_integration: Whirlpool Appliances
+ha_release: '2025.8'
+ha_domain: bauknecht
+ha_codeowners:
+  - '@abmantis'
+  - '@mkmer'
+ha_config_flow: true
+ha_platforms:
+  - binary_sensor
+  - climate
+  - diagnostics
+  - sensor
+ha_iot_class: Cloud Push
+---
+
+{% include integrations/supported_brand.md %}