Add a json file for contextual (in-ide) surveys

[jayoung-lee]

The URL and dates are currently missing; they are placeholders.

Description of what this PR is changing or adding, and why: This file will be used to launch in-IDE surveys (to be launched in the near future).

Issues fixed by this PR (if any): NA

Presubmit checklist

• [x] This PR doesn’t contain automatically generated corrections (Grammarly or similar).
• [x] This PR follows the Google Developer Documentation Style Guidelines — for example, it doesn’t use i.e. or e.g., and it avoids I and we (first person).
• [x] This PR uses semantic line breaks of 80 characters or fewer.