Air Arkanoid: catalog preparations (#142)

Co-authored-by: hedger <hedger@users.noreply.github.com>

.catalog/README.md

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+# Air Arkanoid
+
+This is a simple arkanoid game that shows how use [Flipper Zero Game Engine](https://github.com/flipperdevices/flipperzero-game-engine) to integrate IMU (that is present on Video Game Module, for example) with your game.

.catalog/changelog.md

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+## 1.0
+ - Initial release
+