added a new module in setup.py

setup.py

@@ -6,7 +6,7 @@ setup(name="cb-util",
       description="Collection of scripts and wrapper of contious benchmarking",
       author="Christoph Alt",
       author_email="Christoph.alt@fau.de",
-      packages=find_packages(include=["cbutil"]),
+      packages=find_packages(include=["cbutil", "cbutil.postprocessing"]),
       install_requires=[
           "python-dotenv",
           "influxdb",