create osbuild package

setup.py

@@ -1,4 +1,3 @@
-
 import glob
 import setuptools
 
@@ -6,11 +5,13 @@ setuptools.setup(
     name="osbuild",
     version="1",
     description="A build system for OS images",
-    py_modules=["osbuild"],
+    packages=["osbuild"],
+    entry_points={
+        "console_scripts": ["osbuild = osbuild.executable:main"]
+    },
     data_files=[
-        ("/usr/bin", ["osbuild"]),
         ("/usr/lib/osbuild", ["osbuild-run"]),
         ("/usr/lib/osbuild/stages", glob.glob("./stages/*")),
         ("/usr/lib/osbuild/assemblers", glob.glob("./assemblers/*"))
     ]
-)
+)