Updated `__init__.py` to import specific cog classes
and added asynchronous `setup` functions for each.
Modified `info.json` to improve the formatting of the
"author" field for better readability.
Introduces 'normal' and 'solstira' modes to the welcomer cog.
Normal mode retains configurable channel and message.
Solstira mode provides hardcoded channel and complex embed for events.
Refactors simple welcomer to support custom messages, channels, and toggles.
Adds command group for admins to manage server-specific settings, placeholders for personalization, and built-in safety checks for permissions and channel validity.
Enhances event handling with better error management and logging.
Introduces a simple cog that welcomes new users via customizable messages in designated channels, enhancing community engagement.
Handles channel selection with fallbacks and includes error resilience for permission issues.
