docs: Add badges, fix cron info, and clarify script activation logic.
- Added badges for version, Discord, and license to the README file.
- Fixed an issue with the crontab setup command in the installation section.
- Removed an alternative installation command that was provided.
- Clarified the instructions for monitoring the logs in the README file.
- Clarified the explanation of the scripting strategy and the role of
POCIDFBIManager.sh
. - Provided instructions for modifying the manager-script to control CPU usage.