Create devcontainer.json

[skywares-llc-nm]

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[skywares-llc-nm]

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[chien110234]

Contributions to the DID Working Group repositories are intended to become part of Recommendation-track documents governed by the
W3C Patent Policy and
Document License. To make substantive contributions to specifications, you must either participate
in the relevant W3C Working Group or make a non-member patent licensing commitment.

If you are not the sole contributor to a contribution (pull request), please identify all
contributors in the pull request comment.

To add a contributor (other than yourself, that's automatic), mark them one per line as follows:

+@github_username

If you added a contributor by mistake, you can remove them in a comment with:

-@github_username

If you are making a pull request on behalf of someone else but you had no part in designing the
feature, you can remove yourself with the above syntax.