Fix arg parsing

src/invidious.cr

@@ -32,12 +32,10 @@ Kemal.config.extra_options do |parser|
       exit
     end
   end
-  parser.on("-h", "--help", "Show this help") do
-    puts parser
-    exit
-  end
   end
 
+Kemal::CLI.new
+
 PG_DB   = DB.open "postgres://kemal:kemal@localhost:5432/invidious"
 URL     = URI.parse("https://www.youtube.com")
 CONTEXT = OpenSSL::SSL::Context::Client.new