add model_card flaubert-base-uncased-squad (#2833)

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cc @fmikaelian
Co-authored-by: Julien Chaumond <chaumond@gmail.com>

model_cards/fmikaelian/flaubert-base-uncased-squad/README.md

+---
+language: french
+---
+
+# flaubert-base-uncased-squad
+
+## Description
+
+A baseline model for question-answering in french ([flaubert](https://github.com/getalp/Flaubert) model fine-tuned on [french-translated SQuAD 1.1 dataset](https://github.com/Alikabbadj/French-SQuAD))
+
+## Training hyperparameters
+
+```shell
+python3 ./examples/run_squad.py \
+--model_type flaubert \
+--model_name_or_path flaubert-base-uncased \
+--do_train \
+--do_eval \
+--do_lower_case \
+--train_file SQuAD-v1.1-train_fr_ss999_awstart2_net.json \
+--predict_file SQuAD-v1.1-dev_fr_ss999_awstart2_net.json \
+--learning_rate 3e-5 \
+--num_train_epochs 2 \
+--max_seq_length 384 \
+--doc_stride 128 \
+--output_dir output \
+--per_gpu_eval_batch_size=3 \
+--per_gpu_train_batch_size=3
+``` 
+
+## Evaluation results
+
+```shell
+{"f1": 68.66174806561969, "exact_match": 49.299692063176714}
+```
+
+## Usage
+
+```python
+from transformers import pipeline
+
+nlp = pipeline('question-answering', model='fmikaelian/flaubert-base-uncased-squad', tokenizer='fmikaelian/flaubert-base-uncased-squad')
+
+nlp({
+    'question': "Qui est Claude Monet?",
+    'context': "Claude Monet, né le 14 novembre 1840 à Paris et mort le 5 décembre 1926 à Giverny, est un peintre français et l’un des fondateurs de l'impressionnisme."
+})
+```
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