Add Steam Wrapped

[wopln]

Summary

Adds Steam Wrapped to the Millennium Plugin Database as a submodule.

Plugin repository:
https://github.com/wopln/Steam-Wrapped

Features

• A Steam Wrapped entry in the Store navigation bar.
• A dashboard with selectable periods such as this month, last month, the last three months, this year, and custom ranges.
• Locally tracked game sessions with live playtime for the currently running game.
• Period-based totals for playtime, games played, achievements, and favorite genre.
• Gaming insights including most played game, longest session, peak play time, and a 24-hour activity histogram.
• Recent achievements and recently played games, with links back to their native Steam Library pages.
• A high-resolution Share Summary PNG export of the dashboard.