Load services as submodules

src/risotto/__init__.py

@@ -1,4 +1,13 @@
+from pkg_resources import iter_entry_points
+
+class Service:
+    pass
+
+services = Service()
+for ep in iter_entry_points(group='risotto_services'):
+    setattr(services, ep.name, ep.load())
+
+def list_modules():
+    return services
 from .http import get_app
-
-__ALL__ = ('get_app',)
-
+__ALL__ = ('get_app', 'services')