Create devcontainer.json

[Amjad08A]

When opening a pull request to submit a new EIP, please use the suggested template: https://github.com/ethereum/EIPs/blob/master/eip-template.md

We have a GitHub bot that automatically merges some PRs. It will merge yours immediately if certain criteria are met:

• The PR edits only existing draft PRs.
• The build passes.
• Your GitHub username or email address is listed in the 'author' header of all affected PRs, inside .
• If matching on email address, the email address is the one publicly listed on your GitHub profile.

[github-actions]

We kindly remind you to check out EIP-1 for guidance.
If this issue was created as a “discussions-to” for an EIP or to discuss an idea for an EIP, please close it and create a thread at Fellowship of Ethereum Magicians.