Update Sma sensor component configuration (#7099)

* Update Sma sensor component configuration

* 🚑 Fix

source/_components/sensor.sma.markdown

@@ -13,7 +13,6 @@ ha_iot_class: "Local Polling"
 ha_release: 0.36
 ---
 
-
 The `sma` sensor will poll a [SMA](http://www.sma-solar.com/) [(US)](http://www.sma-america.com/) solar inverter and present the values as sensors (or attributes of sensors) in Home Assistant.
 
 ## {% linkable_title Configuration %}
@@ -28,28 +27,63 @@ sensor:
     password: YOUR_SMA_PASSWORD
     sensors:
       current_consumption: [total_consumption]
-      current_power: 
-      total_yield: 
+      current_power:
+      total_yield:
 ```
 
-Configuration variables:
+{% configuration %}
+host:
+  description: The IP address of the SMA WebConnect module.
+  required: true
+  type: string
+ssl:
+  description:
+  required: false
+  default: false
+  type: boolean
+password:
+  description: The password of the SMA WebConnect module.
+  required: true
+  type: string
+group:
+  description: The user group, which can be either `user` or `installer`.
+  required: false
+  default: user
+  type: string
+sensors:
+  description: A dictionary of sensors that will be added. The value of the dictionary can include sensor names that will be shown as attributes.
+  required: true
+  type: list
+  keys:
+    current_power:
+      description: Current power.
+    current_consumption:
+      description: Current consumption.
+    total_power:
+      description: Total power.
+    total_consumption:
+      description: Total consumption.
+custom:
+  description: A dictionary of custom sensor key values and units.
+  required: false
+  type: list
+  keys:
+    key:
+      description: The SMA sensor key.
+      required: true
+      type: string
+    unit:
+      description: Unit.
+      required: true
+      type: string
+    factor:
+      description: Factor.
+      required: false
+      default: 1
+      type: float
+{% endconfiguration %}
 
-- **host** (*Required*): The IP address of the SMA WebConnect module.
-- **password** (*Required*): The password of the SMA WebConnect module.
-- **group** (*Optional*): The user group, which can be either `user` (the default) or `installer`.
-- **sensors** (*Required*): A dictionary of sensors that will be added. The value of the dictionary can include sensor names that will be shown as attributes.
-- **custom** (*Optional*): A dictionary of custom sensor key values and units.
-
-Sensors configuration:
-
-The sensors can be any one of the following:
-
-- current_power
-- current_consumption
-- total_power
-- total_consumption
-
-You can create composite sensors, where the sub-sensors will be attributes of the main sensor, e.g.
+You can create composite sensors, where the sub-sensors will be attributes of the main sensor. E.g.,
 
 ```yaml
     sensors:
@@ -59,9 +93,10 @@ You can create composite sensors, where the sub-sensors will be attributes of th
 The SMA WebConnect module supports a wide variety of sensors, and not all these have been mapped to standard sensors. Custom sensors can be defined by using the `custom` section of the configuration. You will need: A sensor name (no spaces), the SMA sensor key and the unit
 
 Example:
+
 ```yaml
    custom:
-      yesterday_consumption: 
+      yesterday_consumption:
          key: 6400_00543A01
          unit: kWh
          factor: 1000