Fix package warnings

Author: aivora-beamng

setup.cfg

@@ -2,10 +2,10 @@
 name = beamngpy
 description = Python API to interact with BeamNG.tech.
 author = BeamNG GmbH
-author-email = [email protected]
+author_email = [email protected]
 license = MIT
 url = https://github.com/BeamNG/BeamNGpy
-long-description = file: README.rst
+long_description = file: README.md
 platforms = any
 classifiers =
     Development Status :: 4 - Beta
@@ -39,9 +39,6 @@ norecursedirs =
 [aliases]
 release = sdist bdist_wheel upload
 
-[bdist_wheel]
-universal = 1
-
 [build_sphinx]
 source_dir = docs
 build_dir = docs/_build