Merge pull request #2655 from thedanbob/ruby4.0

Add Ruby 4.0

Author: simon04

lib/docs/scrapers/rdoc/ruby.rb

@@ -27,7 +27,6 @@ class Ruby < Rdoc
       syntax_rdoc.html
       extension_rdoc.html
       extension_ja_rdoc.html
-      Data.html
       English.html
       Fcntl.html
       Kconv.html
@@ -69,6 +68,11 @@ class Ruby < Rdoc
       Licensed under their own licenses.
     HTML
 
+    version '4.0' do
+      self.release = '4.0.1'
+      self.root_path = 'index.html'
+    end
+
     version '3.4' do
       self.release = '3.4.7'
     end