Build new client.

Examples

iex> Inter.Client.new("some_client_id", "some_client_secret", "scope", "grant_type", "cert_file", "key_file")
%Inter.Client{
   base_url: "https://cdpj.partners.bancointer.com.br/",
   client_id: "some_client_id",
   client_secret: "some_client_secret",
   scope: "scope",
   grant_type: "grant_type",
   cert_file: "cert_file",
   key_file: "key_file"
 }