Inform user about collection of anonymous usage analytics

[thallgren]

Gatsby informs the user about its collection of anonymous usage analytics and provides a command to help the user opt-out. Telepresence should do something similar.

Gatsby's info:

╔════════════════════════════════════════════════════════════════════════╗
║                                                                        ║
║   Gatsby collects anonymous usage analytics                            ║
║   to help improve Gatsby for all users.                                ║
║                                                                        ║
║   If you'd like to opt-out, you can use `gatsby telemetry --disable`   ║
║   To learn more, checkout https://gatsby.dev/telemetry                 ║
║                                                                        ║
╚════════════════════════════════════════════════════════════════════════╝

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[github-actions[bot]]

This issue was closed because it has been stalled for 7 days with no activity.