Chore: add credits

mindreframer · mindreframer · commit 39d2b95e03f4 · 2025-06-19T18:12:21.000+02:00
diff --git a/README.md b/README.md
@@ -97,3 +97,9 @@ end
 ## Documentation
 
 For full documentation, visit [HexDocs](https://hexdocs.pm/quick_factory).
+
+
+## Credits
+
+Most of the code was taken from
+- https://github.com/theblitzapp/factory_ex with simplifications and removals.
