add 2 colab notebooks
# [Codecov](https://codecov.io/gh/huggingface/transformers/pull/4505?src=pr&el=h1) Report
> Merging [#4505](https://codecov.io/gh/huggingface/transformers/pull/4505?src=pr&el=desc) into [master](https://codecov.io/gh/huggingface/transformers/commit/a08652772791fdaeed6f263b1a99926ca64be5dc&el=desc) will **increase** coverage by `0.00%`.
> The diff coverage is `n/a`.

[![Impacted file tree graph](https://codecov.io/gh/huggingface/transformers/pull/4505/graphs/tree.svg?width=650&height=150&src=pr&token=9qOlN6Hb1c)](https://codecov.io/gh/huggingface/transformers/pull/4505?src=pr&el=tree)

```diff
@@           Coverage Diff           @@
##           master    #4505   +/-   ##
=======================================
  Coverage   77.83%   77.84%           
=======================================
  Files         123      123           
  Lines       20514    20514           
=======================================
+ Hits        15968    15969    +1     
+ Misses       4546     4545    -1     
```


| [Impacted Files](https://codecov.io/gh/huggingface/transformers/pull/4505?src=pr&el=tree) | Coverage Δ | |
|---|---|---|
| [src/transformers/modeling\_tf\_utils.py](https://codecov.io/gh/huggingface/transformers/pull/4505/diff?src=pr&el=tree#diff-c3JjL3RyYW5zZm9ybWVycy9tb2RlbGluZ190Zl91dGlscy5weQ==) | `88.66% <0.00%> (+0.16%)` | :arrow_up: |

------

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> Powered by [Codecov](https://codecov.io/gh/huggingface/transformers/pull/4505?src=pr&el=footer). Last update [a086527...2293fe1](https://codecov.io/gh/huggingface/transformers/pull/4505?src=pr&el=lastupdated). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments).
<|||||>Those are amazing notebooks! Would it maybe be possible to connect the Notebook "A Step by Step Guide to Tracking Hugging Face Model Performance" to a github account and link it from there? As it's done for other notebook ?<|||||>Merging for now - link can be updated at a later stage.