Keras examples for single input and multiple inputs have been added.

[justnoxx]

These examples are explaining how to use saved models created using Keras. 1st example explains how to use the model when there is precisely one input operation. 2nd example shows how to deal with models where more than one input ops.

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[justnoxx]

@googlebot I signed it!

[justnoxx]

@adamcrume there are some examples related to Keras that I mentioned in https://github.com/tensorflow/rust/issues/282 Please, let me know what I should change if required to make it merged. Thanks.

/Dmitriy

[justnoxx]

@adamcrume sorry for delay, literally did not have time to address that, but now I did the changes that you requested. A file with typo in its name has been renamed. Cargo fmt has been also applied. Please, let me know if I need to do additional updates.