chore: add metadata

Author: seuros

release-please-config.json

@@ -6,4 +6,4 @@
       "package-name": "with_advisory_lock"
     }
   }
-}
+}

with_advisory_lock.gemspec

@@ -16,9 +16,13 @@ Gem::Specification.new do |spec|
   spec.files         = `git ls-files`.split($INPUT_RECORD_SEPARATOR)
   spec.test_files    = spec.files.grep(%r{^test/})
   spec.require_paths = %w[lib]
-  spec.metadata      = { "rubyspecs_mfa_required" => "true" }
+  spec.metadata      = { 'rubyspecs_mfa_required' => 'true' }
   spec.required_ruby_version = '>= 2.7.0'
-  spec.metadata["yard.run"] = "yri"
+  spec.metadata['yard.run'] = 'yri'
+
+  spec.metadata['homepage_uri'] = spec.homepage
+  spec.metadata['source_code_uri'] = 'https://github.com/ClosureTree/with_advisory_lock'
+  spec.metadata['changelog_uri'] = 'https://github.com/ClosureTree/with_advisory_lock/blob/master/CHANGELOG.md'
 
   spec.add_runtime_dependency 'activerecord', '>= 6.1'