[Feature Request]: Add .h5 model support.

[Mustenaka]

Background and Feature Description

Add .h5 model support.

when i try use load_model for .h5 model, it will crash and throw an error.

System.NotImplementedException
HResult=0x80004001
Message=Model load of h5 format has not been supported. Please submit an issue to https://github.com/SciSharp/TensorFlow.NET/issues if it's needed.
Source=Tensorflow.Keras

API Definition and Usage

var model = KerasApi.keras.models.load_model("xxx_model.h5");

// or
var model = tf.keras.models.load_model("xxx_model.h5");

Alternatives

No response

Risks

No response