💸 Add funding_uri and mailing_list_uri

Author: pboling

oauth.gemspec

@@ -28,7 +28,9 @@ Gem::Specification.new do |spec|
   spec.metadata["changelog_uri"] = "#{spec.homepage}/blob/v#{spec.version}/CHANGELOG.md"
   spec.metadata["bug_tracker_uri"] = "#{spec.homepage}/issues"
   spec.metadata["documentation_uri"] = "https://www.rubydoc.info/gems/#{spec.name}/#{spec.version}"
-  spec.metadata["wiki_uri"] = "#{spec.homepage}/wiki"
+  spec.metadata["wiki_uri"] = "#{spec.homepage}/-/wiki"
+  spec.metadata["mailing_list_uri"] = "https://groups.google.com/g/oauth-ruby"
+  spec.metadata["funding_uri"] = "https://liberapay.com/pboling"
   spec.metadata["rubygems_mfa_required"] = "true"
 
   spec.files = Dir.glob("lib/**/*.rb") + ["LICENSE", "README.md", "CHANGELOG.md", "CODE_OF_CONDUCT.md", "SECURITY.md",