API-624: Adding accept-encoding: gzip header

Author: adambilsing

CHANGELOG.md

@@ -2,6 +2,7 @@
 Your contribution here.
 
 * [#000](https://github.com/bigcommerce/bigcommerce-api-ruby/pull/000): Brief description here. - [@username](https://github.com/username).
+* [#136](https://github.com/bigcommerce/bigcommerce-api-ruby/pull/136): Added accept-encoding: gzip header. - [@adambilsing](https://github.com/adambilsing)
 * [#128](https://github.com/bigcommerce/bigcommerce-api-ruby/pull/128): Added support for token generation for storefront login. - [@mattolson](https://github.com/mattolson).
 
 ## 1.0.0

Gemfile

@@ -4,6 +4,6 @@ gemspec
 group :development do
   gem 'pry'
   gem 'rspec'
-  gem 'simplecov'
   gem 'rubocop'
+  gem 'simplecov'
 end

lib/bigcommerce/connection.rb

@@ -3,7 +3,8 @@ module Connection
     HEADERS = {
       'accept' => 'application/json',
       'content-type' => 'application/json',
-      'user-agent' => 'bigcommerce-api-ruby'
+      'user-agent' => 'bigcommerce-api-ruby',
+      'accept-encoding' => 'gzip'
     }.freeze
 
     def self.build(config)