[Feat]: Add breakpoints example

[rChaoz]

Which variants of Embla Carousel are relevant to this feature request?

• embla-carousel (Core)
• embla-carousel-react
• embla-carousel-vue
• embla-carousel-svelte
• embla-carousel-autoplay
• embla-carousel-auto-scroll
• embla-carousel-solid
• embla-carousel-auto-height
• embla-carousel-class-names
• embla-carousel-fade
• embla-carousel-docs (Documentation)
• embla-carousel-docs (Generator)

Feature description

There should be a breakpoints example in the list of predefined examples, this is the page most people will scroll & look for features in initially.

Additional Context

Additional details here...

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• I've made research efforts and searched the documentation
• I've searched for existing issues
• I agree to follow this project's Contributing Guidelines for feature requests