Adding a header into the request using before hook

_program.rb

require 'eezee'
require 'initializer'
require 'character'

RickMorty::Character.find!(1).body
# "INFO -- request: GET https://rickandmortyapi.com/api/character/1"
# "INFO -- request: HEADERS: {\"X-Application-Name\":\"MyTestApp\"}"
# "INFO -- request: PAYLOAD: {}"
# "INFO -- response: SUCCESS: true"
# "INFO -- response: TIMEOUT: false"
# "INFO -- response: CODE: 200"
# "INFO -- response: BODY: {\"id\":1,\"name\":\...
# => {:id=>1, :name=>"Rick Sanchez", :status=>"Alive", :speci...

character.rb

module RickMorty; end
module RickMorty::Character
  extend Eezee::Client

  eezee_service :rick_and_morty_api
  eezee_request_options path: 'character/:character_id'
  
  module_function
  
  def find!(id)
    get(
      params: { character_id: id },
      before: ->(req) { req.headers.merge!('X-Application-Name': 'MyTestApp') }
    )
  end
end

initializer.rb

Eezee.configure do |config|
  config.add_service :rick_and_morty_api,
                     url: 'rickandmortyapi.com/api',
                     protocol: :https,
                     raise_error: true,
                     logger: true
end