Add an example of submitting hybrid job

[maolinml]

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I am looking for how to submit a hybrid job through Braket.jl without the need of Python, but I couldn't find any example in the "example" folder. In the "test" folder, there seems to contain some examples but I couldn't follow them.

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Add an example in the "example" folder, which explains the essential elements of hybrid job, such as
a) how to specify the algorithm script and entry point,
b) how to configure instances,
c) how to specify devices
d) how to set hyperparameters
e) how to set images if needed

The example could simply replicate one of the examples in the Braket example folder.

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[ashlhans]

Thank you for this issue! We will look into this.