<ru-single-upload ></ru-single-upload>
<ru-single-upload acceptedFiles="image/jpeg, image/png"
(onError)="doSomething()"
(onFileAdd)="doSomething()"
(onFileChange)="doSomething()"
(onFileRemove)="doSomething()"
(onFileUpload)="doSomething()">
</ru-single-upload>
acceptedFiles: accepted files to upload
onError: emits the error when there is an erroronFileAdd: emits the new file when a new file is added not uploadedonFileChange: emits the added or removed file when the file is added or removedonFileRemove: emits the removed file when the file is removedonFileUpload: emits the file as soon as it is uploaded

