Use the new Log module in Crystal 0.34.0

src/context.cr

@@ -7,13 +7,13 @@ class Context
 	property config : Config
 	property library : Library
 	property storage : Storage
-	property logger : MLogger
+	property logger : Logger
 	property queue : MangaDex::Queue
 
 	def initialize(@config, @logger, @library, @storage, @queue)
 	end
 
-	{% for lvl in LEVELS %}
+	{% for lvl in Logger::LEVELS %}
 		def {{lvl.id}}(msg)
 			@logger.{{lvl.id}} msg
 		end