Migrate location recorder and refine db config

tests/test_config.py

@@ -0,0 +1,15 @@
+from app.config import Settings
+
+
+def test_settings_support_two_independent_database_urls(monkeypatch) -> None:
+    monkeypatch.setenv("LOCATION_DATABASE_URL", "sqlite:///./data/locationRecorder.db")
+    monkeypatch.setenv("POO_DATABASE_URL", "sqlite:///./data/pooRecorder.db")
+
+    settings = Settings()
+
+    assert settings.location_database_url == "sqlite:///./data/locationRecorder.db"
+    assert settings.poo_database_url == "sqlite:///./data/pooRecorder.db"
+    assert settings.location_sqlite_path is not None
+    assert settings.location_sqlite_path.name == "locationRecorder.db"
+    assert settings.poo_sqlite_path is not None
+    assert settings.poo_sqlite_path.name == "pooRecorder.db"