Migrate everything from Yarn to Bun

No node.js or npm necessary anymore

bin/setup

@@ -14,6 +14,7 @@ FileUtils.chdir APP_ROOT do
 
   puts "== Installing dependencies =="
   system("bundle check") || system!("bundle install")
+  system!("bun install")
 
   # puts "\n== Copying sample files =="
   # unless File.exist?("config/database.yml")

bin/yarn

@@ -1,11 +0,0 @@
-#!/usr/bin/env ruby
-APP_ROOT = File.expand_path('..', __dir__)
-Dir.chdir(APP_ROOT) do
-  begin
-    exec "yarnpkg", *ARGV
-  rescue Errno::ENOENT
-    $stderr.puts "Yarn executable was not detected in the system."
-    $stderr.puts "Download Yarn at https://yarnpkg.com/en/docs/install"
-    exit 1
-  end
-end