Refactor and standardize codebase for consistency

- Updated Dockerfile version from 1.7.8 to 1.7.9.
- Standardized string formatting to use double quotes.
- Refactored imports for better organization and readability.
- Improved JSON handling with better validation and logging.
- Enhanced logging for consistency and debugging clarity.
- Refactored bot initialization and directory setup logic.
- Improved error handling in commands for better user feedback.
- Refactored `Presence`, `Functions`, and `Owner` classes.
- Enhanced support invite, permissions, and bot info commands.
- Updated main entry point for better token error handling.
- Improved overall readability, maintainability, and Pythonic style.

Author: Serpensin

Dockerfile

@@ -28,6 +28,6 @@ LABEL maintainer="Discord: pika.pika.no.mi (970119359840284743)" \
       description="This bot automatically publishes messages in announcement channels on discord." \
       release=$BUILD_DATE \
       url="https://github.com/Serpensin/DiscordBots-AutoPublisher" \
-      version="1.7.8"
+      version="1.7.9"
 
 CMD ["python3", "main.py"]