fix docker scraping

improve batch sync

add postgres upsert

fix sync locking

improve listing sync

speed up scraper

clean up project

prepare for github

update docker setup

tests/test_listing.py

@@ -31,12 +31,6 @@ class TestListingUnit(unittest.TestCase):
         page = _FakePage({})
         self.assertFalse(ListingCollector._has_next_page(page))
 
-    def test_constructor_with_settings_and_pacer(self) -> None:
-        settings = Settings()
-        pacer = HumanPacer(settings)
-        collector = ListingCollector(settings, pacer)
-        self.assertIsNotNone(collector)
-
 
 if __name__ == "__main__":
     unittest.main()