Migrate model card from transformers-repo

Read announcement at https://discuss.huggingface.co/t/announcement-all-model-cards-will-be-migrated-to-hf-co-model-repos/2755
Original file history: https://github.com/huggingface/transformers/commits/master/model_cards/monsoon-nlp/dv-wave/README.md

README.md

@@ -1,6 +1,10 @@
+---
+language: dv
+---
+
 # dv-wave
 
-This is my third version of a Dhivehi language model trained with
+This is a second attempt at a Dhivehi language model trained with
 Google Research's [ELECTRA](https://github.com/google-research/electra).
 
 Tokenization and pre-training CoLab: https://colab.research.google.com/drive/1ZJ3tU9MwyWj6UtQ-8G7QJKTn-hG1uQ9v?usp=sharing
@@ -9,20 +13,16 @@ Using SimpleTransformers to classify news https://colab.research.google.com/driv
 
 V1: similar performance to mBERT on news classification task after finetuning for 3 epochs (52%)
 
-V2: fixed tokenizers do_lower_case=False and strip_accents=False to preserve vowel signs of Dhivehi
-
-> 8-topic news classification score: 88.6% compared to mBERT: 51.8%
-
-V3: trained longer on larger corpus (added OSCAR and Wikipedia)
-
-> news classification score: 91.9%
+V2: fixed tokenizers ```do_lower_case=False``` and ```strip_accents=False``` to preserve vowel signs of Dhivehi
+  dv-wave: 89% to mBERT: 52%
 
 ## Corpus
 
-Trained on @Sofwath's 307MB corpus of Dhivehi text: https://github.com/Sofwath/DhivehiDatasets
+Trained on @Sofwath's 307MB corpus of Dhivehi text: https://github.com/Sofwath/DhivehiDatasets - this repo also contains the news classification task CSV
 
-Plus [OSCAR](https://oscar-corpus.com/) and 2020-10-01 dump of dv.wikipedia.org
+[OSCAR](https://oscar-corpus.com/) was considered but has not been added to pretraining; as of
+this writing their web crawl has 126MB of Dhivehi text (79MB deduped).
 
 ## Vocabulary
 
-Included as vocab.txt in the upload
+Included as vocab.txt in the upload - vocab_size is 29874