Overhauled configuration so that it's a bit more useful in more spots; configuration now properly loads an environment config as well as defaults; updated some woodpecker config

src/server.rb

@@ -6,7 +6,8 @@ require 'sqlite3'
 
 require_relative 'config'
 
-$conf = Config.new(File.join(__dir__, 'config/defaults.yaml'))
+# Load configuration from environment config file
+$conf = Config.new()
 
 # Load the Sequel timestamps plugin
 Sequel::Model.plugin(:timestamps)