[improvement] files validation with zod

[huylee99]

• implement file validation with zod
• allowed file types can be passed into the hook

const { uploadFiles } = useUpload({
    allowedFileTypes: ["image/png", "image/jpeg"],
    // allowed file types can be passed into the hook
    // mime type list https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types
    },
  });