fix: the corner curves overlap the content in default template

[zuramai]

As you can see in above image, the corner curves is positioned above the contents. It is because the z-10 in the content wrapper does not give an effect due to the unpositioned element. So I added relative class and it solved.

<CornerCurves class="absolute transform bottom-0 right-0 flip-x" />
<div class="my-auto z-10 relative">
      <slot />
</div>

[github-actions[bot]]

:tada: This PR is included in version 1.4.1 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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