add loading of plugin entry points

Author: joshuadavidthomas

src/django_bird/plugins/manager.py

@@ -9,11 +9,12 @@
 pm = pluggy.PluginManager("django_bird")
 pm.add_hookspecs(hookspecs)
 
+pm.load_setuptools_entrypoints("django_bird")
+
 DEFAULT_PLUGINS: list[str] = [
     "django_bird.staticfiles",
 ]
 
-
 for plugin in DEFAULT_PLUGINS:
     mod = importlib.import_module(plugin)
     pm.register(mod, plugin)