fix: corrects the repo/homepage link (#15)

* fix: corrects the repo/homepage link * chore: adds newline to end of file

Author: danoscarmike

samples/snippets/noxfile_config.py

@@ -37,4 +37,4 @@
  "AGENT_ID": "53516802-3e2a-4016-80b6-a3df0d240240",
  "AUDIO_PATH": "resources/hello.wav",
  },
-}
+}

setup.py

@@ -35,7 +35,7 @@
  author="Google LLC",
  author_email="googleapis-packages@google.com",
  license="Apache 2.0",
- url="https://github.com/googleapis/python-video-transcoder",
+ url="https://github.com/googleapis/python-dialogflow-cx",
  packages=setuptools.PEP420PackageFinder.find(),
  namespace_packages=("google", "google.cloud"),
  platforms="Posix; MacOS X; Windows",