Create README.md
Create model card for T5-small fine-tuned on SQUAD v1.1
# [Codecov](https://codecov.io/gh/huggingface/transformers/pull/5638?src=pr&el=h1) Report
> Merging [#5638](https://codecov.io/gh/huggingface/transformers/pull/5638?src=pr&el=desc) into [master](https://codecov.io/gh/huggingface/transformers/commit/b25f7802de2749a5f8c3430437eceabf9e6384b8&el=desc) will **increase** coverage by `0.23%`.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/huggingface/transformers/pull/5638/graphs/tree.svg?width=650&height=150&src=pr&token=9qOlN6Hb1c)](https://codecov.io/gh/huggingface/transformers/pull/5638?src=pr&el=tree)

```diff
@@            Coverage Diff             @@
##           master    #5638      +/-   ##
==========================================
+ Coverage   77.52%   77.75%   +0.23%     
==========================================
  Files         145      145              
  Lines       25364    25364              
==========================================
+ Hits        19663    19723      +60     
+ Misses       5701     5641      -60     
```


| [Impacted Files](https://codecov.io/gh/huggingface/transformers/pull/5638?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/transformers/modeling\_tf\_roberta.py](https://codecov.io/gh/huggingface/transformers/pull/5638/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9tb2RlbGluZ190Zl9yb2JlcnRhLnB5) | `43.98% <0.00%> (-49.38%)` | :arrow_down: |
| [src/transformers/generation\_tf\_utils.py](https://codecov.io/gh/huggingface/transformers/pull/5638/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9nZW5lcmF0aW9uX3RmX3V0aWxzLnB5) | `83.70% <0.00%> (-2.26%)` | :arrow_down: |
| [src/transformers/file\_utils.py](https://codecov.io/gh/huggingface/transformers/pull/5638/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9maWxlX3V0aWxzLnB5) | `79.59% <0.00%> (+0.33%)` | :arrow_up: |
| [src/transformers/modeling\_tf\_electra.py](https://codecov.io/gh/huggingface/transformers/pull/5638/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9tb2RlbGluZ190Zl9lbGVjdHJhLnB5) | `95.53% <0.00%> (+69.51%)` | :arrow_up: |

------

[Continue to review full report at Codecov](https://codecov.io/gh/huggingface/transformers/pull/5638?src=pr&el=continue).
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> `Δ = absolute <relative> (impact)`, `ø = not affected`, `? = missing data`
> Powered by [Codecov](https://codecov.io/gh/huggingface/transformers/pull/5638?src=pr&el=footer). Last update [b25f780...689146c](https://codecov.io/gh/huggingface/transformers/pull/5638?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
