If there's any additional thing I can do, please let me know so I would make all amendements immediately.
You're going to have to delete this thing and start over man.
It’s a pretty unethical behavior if what you describe is the full story and as a user of many open source projects how can one be aware of this type of behavior?
I think both sides here can learn from this, copyright notices are technically not required but when some text references them it is very useful. The original author should have added one. The user of the code could also have asked about the copyright. If this were to go to court having the original license not making sense could create more questions than it should.
tl;dr: add a copyright line at the top of the file when you’re using the MIT license.
If you inspect the source code, it's a verbatim copy. They literally just renamed the ZeroxOutput to DocumindOutput [2][3]
[1] https://github.com/getomni-ai/zerox
[2] https://github.com/DocumindHQ/documind/blob/main/core/src/ty...
[3] https://github.com/getomni-ai/zerox/blob/main/node-zerox/src...