[Misc] Extend metaprogramming to simple legacy objects

### Description

- Use the metaprogramming pattern to simple legacy objects using v3 endpoints

### Note
- Objects that have custom properties defined are left untouched

lib/spacex.rb

@@ -10,14 +10,11 @@
 require_relative 'spacex/cores'
 require_relative 'spacex/dragon_capsules'
 require_relative 'spacex/endpoint'
-require_relative 'spacex/history'
 require_relative 'spacex/landing_pads'
 require_relative 'spacex/launch_pads'
 require_relative 'spacex/launches'
 require_relative 'spacex/missions'
-require_relative 'spacex/payloads'
 require_relative 'spacex/roadster'
-require_relative 'spacex/rockets'
 require_relative 'spacex/ships'
 require_relative 'spacex/version'
 

lib/spacex/models.rb

@@ -12,4 +12,16 @@ def self.info(id = nil, _query = {})
       end)
     end
   end
+
+  KLASS_NAMES = %w[History Payloads Rockets].freeze
+
+  KLASS_NAMES.each do |klass_name|
+    SPACEX.const_set(klass_name, Class.new do
+      def self.info(object_id = nil, _query = {})
+        api_name = self.to_s.gsub('SPACEX::', '').downcase
+
+        SPACEX::BaseRequest.info("#{api_name}/#{object_id}")
+      end
+    end)
+  end
 end