chore: update Gemfile platforms for byebug and add ostruct dependency

Author: route

Gemfile

@@ -2,10 +2,11 @@
 
 source "https://rubygems.org"
 
-gem "byebug", "~> 11.1", platforms: %i[mri mingw x64_mingw]
+gem "byebug", "~> 11.1", platforms: %i[mri windows]
 gem "chunky_png", "~> 1.4"
 gem "image_size", "~> 3.0"
 gem "launchy", "~> 2.5"
+gem "ostruct"
 gem "pdf-reader", "~> 2.12"
 gem "puma", ">= 5.6.7"
 gem "rake", "~> 13.0"