Update README.md

Author: Jorgeuri

README.md

@@ -38,6 +38,7 @@ Electronic Cats invests time and resources providing this open source design, pl
 Designed by Electronic Cats.
 
 ## License
+![OpenSourceLicense](https://github.com/ElectronicCats/AjoloteBoard/raw/master/OpenSourceLicense.png)
 
 Firmware released under an GNU AGPL v3.0 license. See the LICENSE file for more information.