docs(report): add NLP backoff diagram and update references for NER model

report/references.bib

@@ -27,6 +27,13 @@
   howpublished = {\url{https://huggingface.co/sentence-transformers/all-MiniLM-L6-v2}},
 }
 
+@misc{dslim_bert_base_ner,
+  author={deepset},
+  title={dslim/bert-base-NER},
+  year={2018},
+  howpublished = {\url{https://huggingface.co/dslim/bert-base-NER}},
+}
+
 @inproceedings{demszky2020goemotions,
  author = {Demszky, Dorottya and Movshovitz-Attias, Dana and Ko, Jeongwoo and Cowen, Alan and Nemade, Gaurav and Ravi, Sujith},
  booktitle = {58th Annual Meeting of the Association for Computational Linguistics (ACL)},