Added windows 14 day survey

[Jonathan-L]

Added permeant 14 day survey for windows. This is active where

• the install date is between 14 and 21 days
• the locale is en-US, en-CA, en-GB or en-AU
• the user is on app version 0.93.0
  • This is because there's a new survey parameter that's been added in 0.93.0
• the user hasn't previously interacted with the old non RMF survey with value survey.dismissed

Don't merge this at the moment - since 0.93.0 has not been released to stable yet.

[github-actions]

Your PR is hosted at https://staticcdn.duckduckgo.com/remotemessaging/config/staging/windows-config.json

[petevb]

Please fix the indentation

[petevb]

Thanks!