Hrack::Server requires the initialize method

Author: PowerKiKi

Diff for: .rubocop.yml

@@ -124,3 +124,7 @@ Layout/SpaceBeforeBrackets:
 Rails/EnvironmentVariableAccess:
   Enabled: true
   AllowReads: true
+
+# Hrack::Server requires the `initialize` method
+Style/RedundantInitialize:
+    Enabled: false

Diff for: lib/hrack/server.rb

@@ -8,6 +8,8 @@ class Server
 
     PLAIN_TYPE = { 'Content-Type' => 'text/plain' }.freeze
 
+    def initialize(config = {}); end
+
     def call(env)
       dup._call env
     end