feat: Quart app factory with health endpoint

tests/conftest.py

@@ -0,0 +1,27 @@
+import pytest
+import pytest_asyncio
+from pathlib import Path
+import textwrap
+from fablednetmon.app import create_app
+
+
+@pytest.fixture
+def config_file(tmp_path):
+    f = tmp_path / "config.yaml"
+    f.write_text(textwrap.dedent("""\
+        secret_key: test-secret-key-32-chars-minimum!!
+        database:
+          url: postgresql+asyncpg://test:test@localhost/test
+    """))
+    return f
+
+
+@pytest_asyncio.fixture
+async def app(config_file):
+    application = create_app(config_path=config_file, testing=True)
+    return application
+
+
+@pytest_asyncio.fixture
+async def client(app):
+    return app.test_client()