fix(main.py): handle case when skip_channel_default setting is provided and is not None, by loading the specified channel instead of prompting the user for input

feat(main.py): add support for skip_channel_default setting to skip the channel selection prompt and load a specific channel automatically

main.py

@@ -86,6 +86,16 @@ async def main():
         printm("It looks like you don't have any channels yet. Let's create one!")
         channel = Channel()
         await channel.create()
+    else:
+        if settings.skip_channel_default != None:
+            if type(settings.skip_channel_default) == str:
+                channel_name = settings.skip_channel_default
+            elif type(settings.skip_channel_default) == int:
+                channel_name = channels[settings.skip_channel_default]
+            else:
+                raise TypeError("The skip_channel_default setting must be either a string or an integer.")
+            channel = Channel()
+            await channel.load(channel_name)
         else:
             printm("Here are your channels:")
             for i, channel in enumerate(channels):