Updated task descriptor according to what was published on Zenodo

[erinb90]

Published the following descriptor to Zenodo as per boutiques/boutiques#174:

• https://zenodo.org/record/1451001

Added to the descriptor:

• Author (used the one from https://brainhack101.github.io/neurolinks/)
• Tags
• Descriptor URL

Changed the name from "example" to "BIDS app example"