title: Is there any TF implementation of the Original BERT other than Google and HuggingFace?
body: <p>Trying to find any <code>Tensorflow/Keras</code> implementation of the <code>original BERT model trained using MLM/NSP</code>. The official google and HuggingFace implementations are very complex and has so much of added functionalities. But I want to learn and implement <code>BERT</code> for just learning its working.</p>
  <p>Any leads will be helpful?</p>