feat(icons): added `preline` icon

[Footagesus]

What is the purpose of this pull request?

• [x] New Icon

Description

Added new preline icon.

Icon use case

The Preline icon is used to display the Preline library logo in web applications, UI components and responsive interfaces.

Alternative icon designs

Icon Design Checklist

Concept

• [x] I have provided valid use cases for each icon.
• [ ] I have not added any a brand or logo icon.
• [x] I have not used any hate symbols.
• [x] I have not included any religious or political imagery.

Author, credits & license

• [ ] The icons are solely my own creation.
• [x] The icons were originally created in # by @Footagesus
• [x] I've based them on the following Lucide icons: steam
• [ ] I've based them on the following design:

Naming

• [x] I've read and followed the naming conventions
• [x] I've named icons by what they are rather than their use case.
• [x] I've provided meta JSON files in icons/[iconName].json.

Design

• [ ] I've read and followed the icon design guidelines
• [ ] I've made sure that the icons look sharp on low DPI displays.
• [ ] I've made sure that the icons look consistent with the icon set in size, optical volume and density.
• [ ] I've made sure that the icons are visually centered.
• [ ] I've correctly optimized all icons to three points of precision.

Before Submitting

• [x] I've read the Contribution Guidelines.
• [ ] I've checked if there was an existing PR that solves the same issue.

[github-actions[bot]]

Added or changed icons

Preview cohesion

Preview stroke widths

DPI Preview (24px)

Icon X-rays

Icon Diffs

Icons as code

Works for: `lucide-react`, `lucide-react-native`, `lucide-preact`, `lucide-vue-next` ```ts const PrelineIcon = createLucideIcon('Preline', [ ["path",{"d":"M3 21v-9a8 8 0 0 1 18 0 9 9 0 0 1-9 9"}], ["path",{"d":"M7 21v-9a4 4 0 0 1 10 0 5 5 0 0 1-5 5"}], ["circle",{"cx":"12","cy":"12","r":"1"}] ]) ```

[karsa-mistmere]

@Footagesus: Please consult https://github.com/lucide-icons/lucide/issues/670