fix: switch to lowercase for pypi publishing

Author: Neo23x0

setup.py

@@ -4,7 +4,7 @@
     long_description = fh.read()
 
 setuptools.setup(
-    name="valhallaAPI",
+    name="valhallaapi",
     version="0.6.1",
     author="Nextron",
     author_email="florian.roth@nextron-systems.com",