Add commands to Command, logging and improve command check

src/quadnite_bot/__main__.py

@@ -1,3 +1,5 @@
+import logging
+
 from deltabot_cli import BotCli
 from deltachat2 import events
 
@@ -6,6 +8,8 @@ from quadnite_bot.command_registry import dispatcher
 def main():
     cli = BotCli("quadnite-bot")
 
+    logging.basicConfig(level=logging.DEBUG)
+
     cli.on(events.NewMessage)(dispatcher)
 
     cli.start()