add config to blank service

solutions_builder/modules/blank_service/1.0/components/{{component_name}}/src/config.py

@@ -0,0 +1,27 @@
+"""
+Copyright 2023 Google LLC
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    https://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+"""
+"""
+  Sample Service config file
+"""
+
+
+import os
+PORT = os.environ["PORT"] if os.environ.get("PORT") is not None else 80
+PROJECT_ID = os.environ.get("PROJECT_ID") or \
+    os.environ.get("GOOGLE_CLOUD_PROJECT")
+DATABASE_PREFIX = os.getenv("DATABASE_PREFIX", "")
+SERVICE_NAME = os.getenv("SERVICE_NAME")
+LOCATION = os.getenv("LOCATION", "us-central1")