Create devcontainer.json

[ghost]

• All tests passed. If this feature is not already covered by the tests, I added new tests.
• This pull request is on the dev branch.
• I used gofmt for formatting the code before submitting the pull request.
• Update documentation about new features / new supported technologies

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[github-actions]

Thank you for your submission, we really appreciate it. Like many open-source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution. You can sign the CLA by just posting a Pull Request Comment same as the below format.

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I have read the CLA Document and I hereby sign the CLA

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_{You can retrigger this bot by commenting recheck in this Pull Request. Posted by the CLA Assistant Lite bot.}

[eranturgeman]

Hello @vienatjeee and thank you for your contribution.
Before we can more to review this change and its applications please explain in the description:
Why are you requesting this change? what is the new ability/ benefit Frogbot gets from this change?
Additionally, please change the PR target to jfrog:dev and not jfrog:prod.
After adding the requested details we can review your change