Add vscode url to runloop runtime

[ross-rl]

End-user friendly description of the problem this fixes or functionality that this introduces

• Update runloop runtime to generate vscode url to runtime

• Include this change in the Release Notes. If checked, you must provide an end-user friendly description for your change below

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Give a summary of what the PR does, explaining any non-trivial design decisions

• Update runloop runtime to generate vscode url to runtime, supporting vscode button
• Append this url to token / workspace & return as property

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Link of any specific issues this addresses

[rbren]

LGTM!