Fixes #1227 - Readded the /kaniko/.docker directory

[D3N14L]

Fixes #1227.

Description

This directory was implicitly removed with commit
8a02001 and breaks several peoples
builds as some examples and documentation expect the directory to exist.

Submitter Checklist

• Includes unit tests
• Adds integration tests if needed.

Added empty directory. No additional unit or integration tests required.

Reviewer Notes

• The code flow looks good.
• Unit tests and or integration tests added.

Release Notes

Readded the /kaniko/.docker directory to not break existing build pipelines.

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[D3N14L]

@googlebot I signed it!

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[D3N14L]

Failing due to "429 too many requests" errors when downloading dependencies.