Update filament_sensor.md

1coderookie · web-flow · commit a1acdbe02968 · 2024-09-26T13:40:13.000+02:00
diff --git a/docs/hardware/filament_sensor.md b/docs/hardware/filament_sensor.md
@@ -1,5 +1,9 @@
 <link rel=”manifest” href=”docs/manifest.webmanifest”>
 
+[![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/U6U5NPB51)  
+
+---  
+
 # Filament Sensor
 
 | Specifications |
