setup.py: bundle kas-container script

so it will be shipped with the pypi release and users can
use this script from a secure and verifiable source, as pypi
if providing checksum for package verification, unlike as if
the script would be fetched just from github and set executable.

Signed-off-by: Konrad Weihmann <kweihmann@outlook.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>

setup.py

@@ -40,6 +40,8 @@ setup(
     name='kas',
     version=__version__,
 
+    scripts=['kas-container'],
+
     description='Setup tool for bitbake based projects',
     long_description=LONG_DESCRIPTION,