WIP: Restore railtie

Author: andyw8

lib/ruby-lsp-rails.rb

@@ -2,6 +2,7 @@
 # frozen_string_literal: true
 
 require "ruby_lsp_rails/version"
+require "ruby_lsp_rails/railtie"
 
 module RubyLsp
   # # Supported features

lib/ruby_lsp_rails/railtie.rb

@@ -0,0 +1,21 @@
+# typed: strict
+# frozen_string_literal: true
+
+require "rails"
+
+module RubyLsp
+  module Rails
+    class Railtie < ::Rails::Railtie
+      config.ruby_lsp_rails = ActiveSupport::OrderedOptions.new
+      config.ruby_lsp_rails.server = true
+
+      initializer "ruby_lsp_rails.setup" do |_app|
+        config.after_initialize do |_app|
+          unless config.ruby_lsp_rails.server.nil?
+            raise "not needed!"
+          end
+        end
+      end
+    end
+  end
+end