Fixed setup.py and added manifest to include migrations and traslation files in the package.

MANIFEST.in

+include gso/migrations/*.py
+include gso/migrations/*.mako
+include gso/migrations/versions/*.py
+include gso/translations/*.json

setup.py

@@ -13,5 +13,7 @@ setup(
         "requests==2.31.0",
         "infoblox-client~=0.6.0",
         "pycountry==22.3.5",
+        "pynetbox==7.2.0",
     ],
+    include_package_data=True,
 )