Support Iterators in constructor of MultiRange

[tats-u]

> import { MultiRange, normalize } from "multi-integer-range"
undefined
> new MultiRange([0,1,2,5,6,7])
MultiRange {
  ranges: [ [ 0, 2 ], [ 5, 7 ] ],
  options: { parseNegative: false, parseUnbounded: false }
}
> new MultiRange(Iterator.from([0,1,2,5,6,7]))
Uncaught TypeError: Invalid input
    at new MultiRange (file:///I:/test/node_modules/.pnpm/multi-integer-range@6.0.0/node_modules/multi-integer-range/lib/MultiRange.js:29:19)
    at <anonymous>:1:22
> normalize([0,1,2,5,6,7])
[ [ 0, 2 ], [ 5, 7 ] ]
> normalize(Iterator.from([0,1,2,5,6,7]))
[ [ 0, 2 ], [ 5, 7 ] ]
> normalize((function *() { yield 0; yield 1; yield 5; })())
[ [ 0, 1 ], [ 5, 5 ] ]
> new MultiRange((function *() { yield 0; yield 1; yield 5; })())
Uncaught TypeError: Invalid input
    at new MultiRange (file:///I:/test/node_modules/.pnpm/multi-integer-range@6.0.0/node_modules/multi-integer-range/lib/MultiRange.js:29:19)
    at <anonymous>:1:22

node-multi-integer-range/src/MultiRange.ts

Lines 26 to 27 in c9f1045

	} else if (typeof data === 'number' || Array.isArray(data)) {
	this.ranges = mr.normalize(data);

Please add a logic to detect Iterators here.