add fastapi template

src/fastapi/backend/bin/__main__.py

@@ -0,0 +1,16 @@
+import logging
+import uvicorn
+
+import libs.app.app as app_module
+from libs.app import settings as libs_app_settings
+
+logger = logging.getLogger(__name__)
+
+
+app_instance = app_module.Application()
+app = app_instance.create_app()
+settings = libs_app_settings.get_settings()
+
+
+if __name__ == "__main__":
+    uvicorn.run(app, host=settings.api.host, port=settings.api.port)