[Feature] Simple template extension mechanism (#361)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#361

epdb/autodiscovery.py

@@ -0,0 +1,5 @@
+from django.utils.module_loading import autodiscover_modules
+
+
+def autodiscover():
+    autodiscover_modules("epdb_hooks")