fix(useBreakpoints): add missing breakpoint for the bootstrap

[edtorba]

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Description

Added missing xs breakpoint for the bootstrap. Ref - https://getbootstrap.com/docs/5.0/layout/breakpoints/#available-breakpoints

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🤖 Generated by Copilot at 2d85e32

Added the xs breakpoint to the breakpointsTailwind object in packages/core/useBreakpoints/breakpoints.ts. This allows users of the useBreakpoints function to access the smallest screen size defined by the Tailwind CSS framework.

🤖 Generated by Copilot at 2d85e32

• Add xs breakpoint to breakpointsTailwind object (link) to align with Tailwind CSS breakpoints and enable users to access the smallest screen size