www/rubygem-faraday-httpclient: Add rubygem-faraday-httpclient 1.0.1

Faraday::Faraday is a Faraday adapter for the HTTPClient library. Faraday is an
HTTP client library that provides a common interface over many adapters. Every
adapter is defined into its own gem. This gem defines the adapter for
HTTPClient.

WWW: https://github.com/lostisland/faraday-httpclient