Please add Synapses to community page

_name_
    Synapses

_url_
    https://mrdimosthenis.github.io/Synapses

_description_
    A lightweight Neural Network library, for js, jvm and .net. The js version has been built with Scala.js.

_dependency_
    https://github.com/circe/circe