Add docs for input_slider

source/_components/input_slider.markdown

@@ -0,0 +1,33 @@
+---
+layout: page
+title: "Input Slider"
+description: "Instructions how to integrate the Input Slider component into Home Assistant."
+date: 2016-03-15 06:00
+sidebar: true
+comments: false
+sharing: true
+footer: true
+logo: home-assistant.png
+ha_category: Automation
+---
+
+The `input_slider` component allows the user to define values that can be controlled via the frontend and can be used within conditions of automation.
+
+```yaml
+# Example configuration.yaml entry
+input_slider:
+  slider1:
+    name: Slider 1
+    initial: 30
+    min: -20
+    max: 35
+```
+
+Configuration variables:
+
+- **[alias]** (*Required*): Alias for the slider input.
+- **name** (*Optional*): Friendly name of the slider input.
+- **initial** (*Optional*): Initial value when Home Assistant starts.
+- **min** (*Optional*): Minimum value for the slider.
+- **max** (*Optional*): Maximum value for the slider.
+