Improved project file structure

tests/generated/simple-startup-app/src/simple_startup_app/application.py

@@ -0,0 +1,16 @@
+from cpl_core.application import ApplicationABC
+from cpl_core.configuration import ConfigurationABC
+from cpl_core.console import Console
+from cpl_core.dependency_injection import ServiceProviderABC
+
+
+class Application(ApplicationABC):
+
+    def __init__(self, config: ConfigurationABC, services: ServiceProviderABC):
+        ApplicationABC.__init__(self, config, services)
+
+    def configure(self):
+        pass
+
+    def main(self):
+        Console.write_line('Hello World')