Update README.md

Author: Alarm-Siren

README.md

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 # KiCad Symbol & Footprint Library for Arduino Modules
 *Version 4.1.0*
 
-![Required KiCad Version](https://img.shields.io/badge/kicad-%3E%3D6.0-critical) ![License](https://img.shields.io/github/license/alarm-siren/arduino-kicad-library) ![GitHub release (latest SemVer)](https://img.shields.io/github/v/release/alarm-siren/arduino-kicad-library) ![Symbols](https://img.shields.io/badge/symbols-57-informational) ![Downloads](https://img.shields.io/github/downloads/alarm-siren/arduino-kicad-library/total)
+[![Project Status: Active – The project has reached a stable, usable state and is being actively developed.](https://www.repostatus.org/badges/latest/active.svg)](https://www.repostatus.org/#active) ![Required KiCad Version](https://img.shields.io/badge/kicad-%3E%3D6.0-critical) ![License](https://img.shields.io/github/license/alarm-siren/arduino-kicad-library) ![GitHub release (latest SemVer)](https://img.shields.io/github/v/release/alarm-siren/arduino-kicad-library) ![Symbols](https://img.shields.io/badge/symbols-57-informational) ![Downloads](https://img.shields.io/github/downloads/alarm-siren/arduino-kicad-library/total)
 
 This is a library of KiCad schematic symbols and PCB footprints for most Arduino modules. You can use them to make your own PCB design which will effortlessly connect with your chosen Arduino module.