From 7c971d425a27cbdcef49c99742009087c35df7c9 Mon Sep 17 00:00:00 2001
From: Dorian Zedler <dorian@itsblue.de>
Date: Wed, 22 Dec 2021 11:37:14 +0000
Subject: [PATCH] Update 'README.md'

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 6d9f82e..76c3c4b 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,5 @@
 # CO<sub>2</sub> Ampel
+[![Build Status](https://drone.makerlab-murnau.de/api/badges/CO2-ampel/software/status.svg)](https://drone.makerlab-murnau.de/CO2-ampel/software)
 
 *CO<sub>2</sub> Ampel* is an open-source project, written in C++ for [ESP8266](https://en.wikipedia.org/wiki/ESP8266) or [ESP32](https://en.wikipedia.org/wiki/ESP32).