fix : minor edit in setup file

Author: sepandhaghighi

setup.py

@@ -32,6 +32,7 @@ def read_description():
     version='0.3',
     description='Some useful script for Orangepi/Raspberrypi boards',
     long_description=read_description(),
+    long_description_content_type='text/markdown',
     author='Moduland Co',
     author_email='[email protected]',
     url='https://github.com/Moduland/Orangetool',