Smarty component documentation (#8761)

* Smarty component documentation

* required changes

* removed fan and sensor page

* Update source/_components/smarty.markdown

Co-Authored-By: z0mbieprocess <theo.nicolau@gmail.com>

* ✏️ Tweak

source/_components/smarty.markdown

@@ -0,0 +1,55 @@
+---
+layout: page
+title: "Salda Smarty 2X/3X/4X P/V Ventilation"
+description: "Instructions on how to integrate Salda Smarty 2X/3X/4X P/V ventilation systems into Home Assistant."
+date: 2019-02-25 20:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: salda.png
+ha_category:
+  - Hub
+  - Fan
+  - Sensor
+ha_release: 0.95
+---
+
+The `smarty` component lets you control Salda [Smarty](http://www.salda.lt/en/products/category/compact-counter-flow-units) ventilation units from Home Assistant. You need a [MB-GATEWAY](http://www.salda.lt/en/products/item/5637227077) or something similar to connect to your local network.
+
+There is currently support for the following device types within Home Assistant:
+
+- Fan
+- Sensor
+
+The component has a fan platform to view and control the ventilation speed, and a sensors platform to read:
+
+- Outdoor air temperature
+- Extract air temperature
+- Supply air temperature
+- Extract fan speed rpm
+- Supply fan speed rpm
+- Alarm
+- Warning
+- Filter Change Timer
+
+## {% linkable_title Configuration %}
+
+To set it up, add the following information to your `configuration.yaml` file:
+
+```yaml
+smarty:
+  host: 192.168.0.10
+```
+
+{% configuration %}
+host:
+  description: The IP Address of the unit.
+  required: true
+  type: string
+name:
+  description: The name of this device as you want to see it in Home Assistant.
+  required: false
+  default: Smarty
+  type: string
+{% endconfiguration %}