Faraday middleware that VCR uses to record and replay HTTP requests made through Faraday.
@note You can either insert this middleware into the Faraday middleware stack
yourself or configure {VCR::Configuration#hook_into} to hook into `:faraday`.
Constructs a new instance of the Faraday middleware.
@param [#call] app the faraday app
# File lib/vcr/middleware/faraday.rb, line 21 def initialize(app) super @app = app end