Add hardware tests results (espressif#9332)

* Add badge

* Add filter to link

* Fix Libs test link

Author: lucasssvaz

README.md

@@ -1,6 +1,6 @@
 # Arduino core for the ESP32, ESP32-S2, ESP32-S3, ESP32-C3, ESP32-C6 and ESP32-H2
 
-![Build Status](https://github.com/espressif/arduino-esp32/workflows/ESP32%20Arduino%20CI/badge.svg) [![External Libraries Test](https://github.com/espressif/arduino-esp32/actions/workflows/lib.yml/badge.svg?branch=master&event=schedule)](https://github.com/espressif/arduino-esp32/actions/workflows/lib.yml?link=http://https://github.com/espressif/arduino-esp32/blob/master/LIBRARIES_TEST.md)
+![Build Status](https://github.com/espressif/arduino-esp32/workflows/ESP32%20Arduino%20CI/badge.svg) [![External Libraries Test](https://github.com/espressif/arduino-esp32/actions/workflows/lib.yml/badge.svg?branch=master&event=schedule)](https://github.com/espressif/arduino-esp32/blob/gh-pages/LIBRARIES_TEST.md) [![Hardware Tests](https://github.com/espressif/arduino-esp32/actions/workflows/hil.yml/badge.svg?branch=master&event=schedule)](https://github.com/espressif/arduino-esp32/actions/workflows/hil.yml?query=event%3Aschedule)
 
 ### Need help or have a question? Join the chat at [Gitter](https://gitter.im/espressif/arduino-esp32) or [open a new Discussion](https://github.com/espressif/arduino-esp32/discussions)