setup.py: add long_description_content_type

Set the content type of the long description to markdown.

Signed-off-by: Michael Walle <[email protected]>

Author: mwalle

Diff for: setup.py

@@ -37,6 +37,7 @@ def git_pep440_version():
 setup(name = name,
         version = version,
         description = 'Total Phase Aardvark library',
+        long_description_content_type = 'text/markdown',
         long_description = readme,
         author = 'Michael Walle',
         author_email = '[email protected]',