feat: add animation duration option

chore: amend to use vite.config.ts in workspace

perf: use refs in react example

Feat: add non-highlighted attribute

Fix: allow for empty slots to exist at setup-time (fixing TypeError, Cannot read properties of Undefined)

Disable drag and drop animation if swapy disabled

fix grammar error

feat: Add missing type exports

chore: add qwik example

add solid-js example