Feature: Matching Tiles Challenge

### Description

New challenge to wake up!! Let's add a matching tiles game where the user needs to select the matching tiles, which will be shuffled and upside down. The user needs to match it based on memory. I would like to work on that,

### Screenshots

_No response_

The issue names no files, tests, or entry points. Start by reviewing the existing challenge and alarm flow, then clarify the tile layout, matching rules, and completion behavior; done means users can match shuffled, face-down tile pairs as part of the alarm challenge.

Written by the indexing model from the issue text.