Create number variable

collection.createNumberVariable(
  name: string,
  value: number | {{VARIABLE_REFERENCE}} | {{CUSTOM_VALUE}},
  options?: {
    mode?: {{VARIABLE_MODE}}
  }
): Promise<NumberVariable>

// Get Collection
const collection = await webflow.getDefaultVariableCollection()
// Create Number Variable of 50
const myNumberVariable = await collection?.createNumberVariable("small", 50)
console.log(myNumberVariable)
// Create a Number Variable with a Custom Value
const myCustomNumberVariable = await collection?.createNumberVariable("h1-font-size", {
  type: "custom",
  value: "clamp(1, 2, 2)",
})
console.log(myCustomNumberVariable)