Create vscode_substrate_extension.md

[bytemaster333]

Project Abstract

Please replace these instructions with a brief description of your project summarising key points (1-2 paragraphs).

If your application is a follow-up to a previous grant, please mention which one in the first line of the abstract and include a link to previous pull requests if applicable.

Grant level

• [ ] Level 1: Up to $10,000, 2 approvals
• [X] Level 2: Up to $30,000, 3 approvals
• [ ] Level 3: Unlimited, 5 approvals (for >$100k: Web3 Foundation Council approval)

Application Checklist

• [x] The application template has been copied and aptly renamed (project_name.md).
• [X] I have read the application guidelines.
• [X] Payment details have been provided (Polkadot AssetHub (USDC & DOT) address in the application and bank details via email, if applicable).
• [X] I understand that an agreed upon percentage of each milestone will be paid in vested DOT, to the Polkadot address listed in the application.
• [X] I am aware that, in order to receive a grant, I (and the entity I represent) have to successfully complete a KYC/KYB check.
• [X] The software delivered for this grant will be released under an open-source license specified in the application.
• [X] The initial PR contains only one commit (squash and force-push if needed).
• [X] The grant will only be announced once the first milestone has been accepted (see the announcement guidelines).
• [ ] I prefer the discussion of this application to take place in a private Element/Matrix channel. My username is: @_______:matrix.org (change the homeserver if you use a different one)

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[bytemaster333]

I have read and hereby sign the Contributor License Agreement.