Add Kaiser Nienhaus virtual motionblinds integration docs (#39069)

source/_integrations/kaiser_nienhaus.markdown

@@ -0,0 +1,22 @@
+---
+title: Kaiser Nienhaus
+description: Connect and control your Kaiser Nienhaus devices using the Motionblinds integration
+ha_category:
+  - Cover
+ha_domain: kaiser_nienhaus
+ha_integration_type: virtual
+ha_supporting_domain: motion_blinds
+ha_supporting_integration: Motionblinds
+ha_release: 2020.12
+ha_codeowners:
+  - '@starkillerOG'
+ha_config_flow: true
+ha_platforms:
+  - button
+  - cover
+  - sensor
+ha_iot_class: Local Push
+ha_dhcp: true
+---
+
+{% include integrations/supported_brand.md %}

source/_integrations/motion_blinds.markdown

@@ -36,6 +36,7 @@ Additionally the following brands have been reported to also work with this inte
 - [Hurrican Shutters Wholesale](https://www.hurricaneshutterswholesale.com/)
 - [Inspired Shades](https://www.inspired-shades.com/)
 - [iSmartWindow](https://www.ismartwindow.co.nz/)
+- [Kaiser Nienhaus](https://www.kaiser-nienhaus.de/)
 - [Krispol](https://krispol.eu/en/drives/)
 - [Linx](https://linxautomation.com.au/)
 - [Madeco](https://www.madeco.fr/)
@@ -69,6 +70,7 @@ The following bridges are reported to work with this integration:
 - DD7006A Smart Home bridge
 - Dreamhub Pro 191726
 - Dreamhub mini 191717
+- Kaiser Nienhaus Smart Stick
 
 {% include integrations/config_flow.md %}