Flipper animation

[lucasferreiralimax]

This pull request introduces the "Flipper" animation feature for the up-window-angular component. The new feature includes three types of flipper animations:

1. Flipper Left: The window flips in from the left side.
2. Flipper Right: The window flips in from the right side.
3. Flipper Up: The window flips in from the top.

Changes Made:

• CSS Updates:
  • Implemented CSS animations for the Flipper effect in the styles file.

[github-actions]

Visit the preview URL for this PR (updated for commit dab5ca5):

https://up-window-angular--pr29-flipper-animation-9u16fx40.web.app

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