Function useAttachmentUpload

Returns {
    addFiles: (files: FileList | File[]) => void;
    attachments: PendingAttachment[];
    clearAttachments: () => void;
    getUploadedAttachments: () => PendingAttachment[];
    isComplete: boolean;
    isUploading: boolean;
    removeAttachment: (id: string) => void;
    resetUploads: () => void;
}