docs(samples): Adding samples for Spot VMs

[m-strzelczyk]

Adding samples to include in Spot VM docs.

[snippet-bot]

Here is the summary of changes.

You are about to add 2 region tags.

• samples/snippets/instances/spot/create.py:22, tag compute_spot_create
• samples/snippets/instances/spot/is_spot_vm.py:22, tag compute_spot_check

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[leahecole]

Small comments, plus the same comment as for #294 about flake8 and if we can disable a few lines rather than the whole file

[m-strzelczyk]

Small comments, plus the same comment as for #294 about flake8 and if we can disable a few lines rather than the whole file

I replied in #294