Update for multiple sensors (#5423)

source/_components/sensor.netdata.markdown

@@ -16,40 +16,61 @@ ha_iot_class: "Local Polling"
 
 The `netdata` sensor platform allows you to display information collected by [Netdata](http://my-netdata.io/).
 
+## {% linkable_title Configuration %}
+
+
+
 To add this platform to your installation, add the following to your `configuration.yaml` file:
 
 ```yaml
 # Example configuration.yaml entry
 sensor:
   - platform: netdata
+    resources:
+      system.load:
+        element: load15
+      system.cpu:
+        element: system
 ```
 
-Configuration variables:
+{% configuration %}
+host:
+  description: The IP address or hostname of your Netdata instance.
+  required: false
+  type: string
+  default: localhost
+port:
+  description: The port that the Netdata instance is running on.
+  required: false
+  type: int
+  default: 19999
+name:
+  description: Name of the monitored Netdata instance.
+  required: false
+  type: number
+  default: Netdata
+resources:
+  description: List of details to monitor.
+  required: true
+  type: map
+  keys:
+    data_group:
+      description: "Name of the data group to monitor, e.g., `system.cpu`." 
+      required: true
+      keys:
+        element:
+          description: The element of the group to monitor.
+          required: true
+          type: string
+        name:
+          description: Name to use for the sensor in the frontend.
+          required: false
+          type: string
+          default: element name
+        icon:
+          description: Icon to use for the sensor.
+          required: false
+          type: string
+          default: "mdi:desktop-classic"
+{% endconfiguration %}
 
-- **host** (*Optional*): The IP address or hostname of your Netdata instance. Defaults to `localhost`.
-- **port** (*Optional*): The port that the Netdata instance is running on. Defaults to `19999`.
-- **name** (*Optional*): Name of the sensor. Defaults to "Netdata".
-- **resources** (*Optional*) array: List of details to monitor. Defaults is `memory_free`.
-  - 'memory_free': Free memory
-  - 'memory_used': Used memory
-  - 'memory_cached': Cached memory
-  - 'memory_buffers': Buffered memory
-  - 'swap_free': Free swap
-  - 'swap_used': Used swap
-  - 'processes_running': Processes Running
-  - 'processes_blocked': Processes Blocked
-  - 'system_load': System Load 15 min
-  - 'system_io_in': System I/O In
-  - 'system_io_out': System I/O Out
-  - 'ipv4_in': Amount of inbound IPv4 packets per second
-  - 'ipv4_out': Amount of outbound IPv4 packets per second
-  - 'disk_free': Free disk space
-  - 'cpu_iowait': CPU spent spent waiting for IO operations
-  - 'cpu_user': CPU time spent executing user tasks
-  - 'cpu_system': CPU time spent executing system tasks
-  - 'cpu_softirq': CPU time spent servicing soft interrupts
-  - 'cpu_guest': CPU time spent on guest tasks (such as VMs)
-  - 'uptime': Time (in seconds) since last boot
-  - 'packets_received': Amount of packets received
-  - 'packets_sent': Amount of packets sent
-  - 'connections': Total active connections