Create devcontainer.json

[CASABECI]

New PR guide

Please choose one of the below templates for your PR, feel free to delete any redundant information.

Add a feature

Feature Request

Link to any corresponding issue(s) describing the feature request(s).

Implementation

A concise description of the implementation(s).

Additional Context

Add any other context about the implementation(s) here.

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Fix a bug

Bug Report

Link to any corresponding issue(s) describing the bug(s).

Implementation

A concise description of the implemented solution(s) to the reported bug(s).

Additional Context

Add any other context about the implementation here.

[github-actions]

CLA Assistant Lite bot:
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}