[Feature] PEPPER in enviPath (#332)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#332

epdb/apps.py

@@ -15,3 +15,9 @@ class EPDBConfig(AppConfig):
 
         model_name = getattr(settings, "EPDB_PACKAGE_MODEL", "epdb.Package")
         logger.info(f"Using Package model: {model_name}")
+
+        if settings.PLUGINS_ENABLED:
+            from bridge.contracts import Property
+            from utilities.plugin import discover_plugins
+
+            settings.PROPERTY_PLUGINS.update(**discover_plugins(_cls=Property))