add the md files from the docs repo to start updating them to v8

docs/widgets/led.md

@@ -0,0 +1,48 @@
+```eval_rst
+.. include:: /header.rst 
+:github_url: |github_link_base|/widgets/led.md
+```
+# LED (lv_led)
+
+## Overview
+
+The LEDs are rectangle-like (or circle) object. It's brightness can be adjusted. With lower brightness the the colors of the LED become darker.
+
+## Parts and Styles
+The LEDs have only one main part, called `LV_LED_PART_MAIN` and it uses all the typical background style properties.
+
+
+## Usage
+
+### Brightness
+You can set their brightness with `lv_led_set_bright(led, bright)`. The brightness should be between 0 (darkest) and 255 (lightest).
+
+### Toggle
+Use `lv_led_on(led)` and `lv_led_off(led)` to set the brightness to a predefined ON or OFF value. The `lv_led_toggle(led)` toggles between the ON and OFF state.
+
+## Events
+Only the [Generic events](../overview/event.html#generic-events) are sent by the object type.
+
+Learn more about [Events](/overview/event).
+
+## Keys
+No *Keys* are processed by the object type.
+
+Learn more about [Keys](/overview/indev).
+
+## Example
+
+```eval_rst
+
+.. include:: /lv_examples/src/lv_ex_widgets/lv_ex_led/index.rst
+
+```
+
+## API 
+
+```eval_rst
+
+.. doxygenfile:: lv_led.h
+  :project: lvgl
+        
+```