Update hello example to use new service syntax.

examples/hello/config.ru

@@ -1,20 +1,6 @@
 #!/usr/bin/env falcon --verbose serve -c
 # frozen_string_literal: true
 
-require 'async'
-
-# Console.logger.debug!
-
-class RequestLogger
-	def initialize(app)
-		@app = app
-	end
-
-	def call(env)
-		@app.call(env)
-	end
+run do |env|
+	[200, {}, ["Hello World"]]
 end
-
-# use RequestLogger
-
-run lambda {|env| [200, {'cache-control' => 'max-age=10, public'}, ["Hello World"]]}

examples/hello/falcon.rb

@@ -4,24 +4,27 @@
 # Released under the MIT License.
 # Copyright, 2019-2023, by Samuel Williams.
 
-load :rack, :self_signed_tls, :supervisor
+require 'falcon/environment/self_signed_tls'
+require 'falcon/environment/rack'
+require 'falcon/environment/supervisor'
 
-supervisor
-
-rack 'hello.localhost', :self_signed_tls do
-	# scheme 'http'
-	# protocol {Async::HTTP::Protocol::HTTP1}
-	# 
-	# endpoint do
-	# 	Async::HTTP::Endpoint.for(scheme, "localhost", port: 9292, protocol: protocol)
-	# end
+service 'hello.localhost' do
+	include Falcon::Environment::SelfSignedTLS
+	include Falcon::Environment::Rack
+
+	scheme 'http'
+	protocol {Async::HTTP::Protocol::HTTP1}
+
+	endpoint do
+		Async::HTTP::Endpoint.for(scheme, "localhost", port: 9292, protocol: protocol)
+	end
 
 	append preload "preload.rb"
 
 	# Process will connect to supervisor to report statistics periodically, otherwise it would be killed.
 	# report :supervisor
 end
 
-# service 'jobs' do
-# 	shell ['rake', 'background:jobs:process']
-# end
+service 'supervisor' do
+	include Falcon::Environment::Supervisor
+end