Forward and Backward icons
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## Icon Request

* Icon name: forward, bring to front, backward, send to back
* Screenshots of similar icons:

<img width="397" alt="image" src="https://github.com/Remix-Design/RemixIcon/assets/49694573/9fcb1ad7-861b-4685-b2d0-7c856fdd3d20">

<img width="191" alt="image" src="https://github.com/Remix-Design/RemixIcon/assets/49694573/55a2090d-0d04-48b3-8545-1d5604603617">
