Add a translation example on keras.io

[mattdangerw]

We should write a example very similar to the Spanish English translation example already on keras.io.

We can use the same dataset, and same basic model structure, but we should use KerasNLP components for tokenization, embedding, encoder and decoder blocks.

Also once we have translations metrics (Rogue and Bleu), this would be a great place to showcase using them.

[mattdangerw]

Assigning myself as a placeholder, I believe we may already have some people to work on this.

[abheesht17]

Hello, @mattdangerw! As discussed, I'd be glad to take this up. Thanks! :)

[mattdangerw]

Thank you!

[abheesht17]

Linking the PR here: https://github.com/keras-team/keras-io/pull/890

[abheesht17]

Completed: https://github.com/keras-team/keras-io/pull/890.