feat(useRound): the value of the given number rounded to the nearest integer

[LittleSound]

Clear and concise description of the problem

from #1812

Suggested solution

import { useRound } from '@vueuse/math'

const decimal = ref(0.5)
const value1 = useRound(decimal)
// or reactive
const value2 = useRound(() => decimal.value)

Alternative

No response

Additional context

No response

Validations

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