biheng/uppy: 现代化的上传组件。 @ 39c21b438480e06aab30341b99a0ad9fbcd8cb2d

Artur Paikin 2cc3b83a98 fix core test to account for that `new Uppy()` is same as `Uppy()`		vor 8 Jahren
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acceptance	42fa28f7c0 update multipart website example and acceptance test	vor 8 Jahren
unit	2cc3b83a98 fix core test to account for that `new Uppy()` is same as `Uppy()`	vor 8 Jahren