Add bin and edit workflow

bin/gems/set-1.1.1/set.gemspec

@@ -0,0 +1,30 @@
+name = File.basename(__FILE__, ".gemspec")
+version = ["lib", Array.new(name.count("-")+1, "..").join("/")].find do |dir|
+  break File.foreach(File.join(__dir__, dir, "#{name.tr('-', '/')}.rb")) do |line|
+    /^\s*VERSION\s*=\s*"(.*)"/ =~ line and break $1
+  end rescue nil
+end
+
+Gem::Specification.new do |spec|
+  spec.name          = name
+  spec.version       = version
+  spec.authors       = ["Akinori MUSHA"]
+  spec.email         = ["knu@idaemons.org"]
+
+  spec.summary       = %q{Provides a class to deal with collections of unordered, unique values}
+  spec.description   = %q{Provides a class to deal with collections of unordered, unique values}
+  spec.homepage      = "https://github.com/ruby/set"
+  spec.licenses      = ["Ruby", "BSD-2-Clause"]
+  spec.required_ruby_version = Gem::Requirement.new(">= 3.0.0")
+
+  spec.metadata["homepage_uri"] = spec.homepage
+  spec.metadata["source_code_uri"] = spec.homepage
+  spec.metadata["changelog_uri"] = "https://github.com/ruby/set/blob/v#{spec.version}/CHANGELOG.md"
+
+  # Specify which files should be added to the gem when it is released.
+  # The `git ls-files -z` loads the files in the RubyGem that have been added into git.
+  spec.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
+    `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
+  end
+  spec.require_paths = ["lib"]
+end