feat(Q3): add LocationConfig for latitude/longitude

tests/unit/test_config.py

@@ -96,6 +96,19 @@ def test_vigilar_config_has_security():
     assert cfg.security.recovery_passphrase_hash == ""
 
 
+def test_location_config_defaults():
+    from vigilar.config import LocationConfig
+    lc = LocationConfig()
+    assert lc.latitude == 0.0
+    assert lc.longitude == 0.0
+
+
+def test_vigilar_config_has_location():
+    from vigilar.config import VigilarConfig
+    cfg = VigilarConfig()
+    assert cfg.location.latitude == 0.0
+
+
 class TestCameraConfigLocation:
     def test_default_location_is_interior(self):
         from vigilar.config import CameraConfig