Uploading vision.ipynb as part of vision capabilities guide. (google#453)

* Create vision.ipynb

Uploading vision capabilities Colab as part of DevRel CY

* Deleting deprecated model and making other model
mentions less specific.

* Deleting sentence at internal reviewer request.

* Added requested bounding box section

* Some tiny nits

* Fix notebook buttons

* run nbfmt

* Applied all changes and commented fixes.

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Co-authored-by: Mark McDonald <[email protected]>

Author: data-wombat