Now have a log level flag

dogbarking/__main__.py

@@ -1,4 +1,5 @@
 from pathlib import Path
+import sys
 from typing import Annotated, Optional
 from datetime import datetime
 import pyaudio
@@ -68,7 +69,22 @@ def nogui(
             help="The SMTP port to send the email.", envvar="DOGBARKING_SMTP_PORT"
         ),
     ] = 465,
+    log_level: Annotated[
+        str,
+        typer.Option(
+            help="The logging level to use.",
+        ),
+    ] = "INFO",
 ):
+    """Dog Barking Alert System"""
+
+    # Set up the logger
+    logger.remove(0)
+    logger.add(
+        sys.stderr,
+        level=log_level,
+    )
+
     # Check that the email details are provided if any of them are provided
     use_email = any(
         [sender_email, receiver_email, smtp_password, smtp_server, smtp_port]