Add a simple example

Author: studio3104

examples/simple/.chalice/config.json

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+{
+  "version": "2.0",
+  "app_name": "simple",
+  "stages": {
+    "dev": {
+      "api_gateway_stage": "api"
+    }
+  }
+}

examples/simple/.gitignore

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+.chalice/deployments/
+.chalice/venv/

examples/simple/app.py

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+from typing import Dict
+
+from chalice import Chalice
+
+app = Chalice(app_name='simple')
+
+
+@app.route('/')
+def index() -> Dict[str, str]:
+    return {'hello': 'world'}

examples/simple/requirements.txt

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+chalice>=1.8.0

examples/simple/test_requirements.txt

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+pytest-chalice

examples/simple/tests/__init__.py

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+import pytest
+
+from chalice import Chalice
+
+from app import app as chalice_app
+
+
+@pytest.fixture
+def app() -> Chalice:
+    return chalice_app

examples/simple/tests/conftest.py

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+from http import HTTPStatus
+from pytest_chalice.handlers import RequestHandler
+
+
+def test_index(client: RequestHandler) -> None:
+    response = client.get('/')
+    assert response.status_code == HTTPStatus.OK
+    assert response.json == {'hello': 'world'}