Added docs for AquaLogic component. (#6327)

* Added docs for AquaLogic component.

* Update AquaLogic docs as per review.

* Update as per review.

source/_components/aqualogic.markdown

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+---
+layout: page
+title: "AquaLogic"
+description: "Instructions on how to integrate an AquaLogic controller within Home Assistant."
+date: 2018-09-17 9:16
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: hayward.png
+ha_category: Hub
+ha_release: "0.80"
+ha_iot_class: "Local Push"
+---
+
+The AquaLogic component provides connectivity to a Hayward/Goldline AquaLogic/ProLogic pool controller. Note that an RS-485 to Ethernet adapter connected to the pool controller is required.
+
+## {% linkable_title Configuration %}
+
+To add the AquaLogic component to your installation, add the following to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+aqualogic:
+  host: 192.168.1.1
+  port: 23
+```
+
+{% configuration %}
+host:
+  description: The domain name or IP address of the RS-485 to Ethernet adapter connected to the pool controller, eg. 192.168.1.1.
+  required: true
+  type: string
+port:
+  description: The port provided by the RS-485 to Ethernet adapter.
+  required: true
+  type: int
+{% endconfiguration %}

source/_components/sensor.aqualogic.markdown

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+---
+layout: page
+title: "AquaLogic Sensor"
+description: "Instructions on how to integrate your AquaLogic devices within Home Assistant."
+date: 2018-09-17 9:16
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: hayward.png
+ha_category: Sensor
+ha_release: "0.80"
+ha_iot_class: "Local Push"
+---
+
+To get your AquaLogic sensors working within Home Assistant, please follow the instructions for the general [AquaLogic component](/components/aqualogic).
+
+## {% linkable_title Configuration %}
+
+Once you have enabled the [AquaLogic component](/components/aqualogic), add the following to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+sensor:
+  - platform: aqualogic
+    monitored_conditions:
+      - pool_temp
+```
+
+{% configuration %}
+monitored_conditions:
+  description: List of items you want to monitor.
+  required: false
+  default: all
+  type: list
+  keys:
+    air_temp:
+      description: The air temperature.
+    pool_temp:
+      description: The pool temperature.
+    spa_temp:
+      description: The spa temperature.
+    pool_chlorinator: 
+      description: The pool chlorinator setting.
+    spa_chlorinator: 
+      description: The spa chlorinator setting.
+    salt_level:
+      description: The current salt level.
+    pump_speed:
+      description: The current pump speed (Hayward VS pumps only).
+    pump_power:
+      description: The current pump power usage (Hayward VS pumps only).
+    status:
+      description: The current system status.
+{% endconfiguration %}

source/_components/switch.aqualogic.markdown

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+---
+layout: page
+title: "AquaLogic Switch"
+description: "Instructions on how to integrate your AquaLogic devices within Home Assistant."
+date: 2018-09-17 9:16
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: hayward.png
+ha_category: Switch
+ha_release: "0.80"
+ha_iot_class: "Local Push"
+---
+
+To get your AquaLogic switches working within Home Assistant, please follow the instructions for the general [AquaLogic component](/components/aqualogic).
+
+## {% linkable_title Configuration %}
+
+Once you have enabled the [AquaLogic component](/components/aqualogic), add the following to your `configuration.yaml` file:
+
+```yaml
+# Example configuration.yaml entry
+switch:
+  - platform: aqualogic
+    monitored_conditions:
+      - lights
+      - filter
+```
+
+{% configuration %}
+monitored_conditions:
+  description: List of items you want to monitor/control.
+  required: false
+  default: all
+  type: list
+  keys:
+    filter:
+      description: Controls the filter pump.
+    filter_low_speed:
+      description: Controls low speed mode on the filter pump (multi-speed pumps only).
+    lights:
+      description: Controls the Lights relay.
+    aux_1:
+      description: Controls the Aux 1 relay.
+    aux_2:
+      description: Controls the Aux 2 relay.
+    aux_3:
+      description: Controls the Aux 3 relay.
+    aux_4:
+      description: Controls the Aux 4 relay.
+    aux_5:
+      description: Controls the Aux 5 relay.
+    aux_6:
+      description: Controls the Aux 6 relay.
+    aux_7:
+      description: Controls the Aux 7 relay.
+{% endconfiguration %}