Added retrying

config.ru

@@ -1,15 +1,9 @@
 require 'bundler/setup'
 require 'dotenv/load'
 require 'rack/indifferent'
-require 'sinatra/router'
 
 require_relative 'lib/api/tree.rb'
 
-app = Sinatra::Router.new do
-  mount Pruning::API::Tree
-end
+run Pruning::API::Tree
 
-map '/' do
-  run app
-end