Add comprehensive documentation about beep disabling mechanisms

[Githubguy132010]

Description

This pull request addresses issue #121 by adding comprehensive technical documentation that explains all the beep disabling mechanisms implemented in the project. This documentation serves as a reference for users and developers who want to understand how the beep silencing works across different layers of the system.

Changes Made

Added a new documentation file docs/BEEP_DISABLING_MECHANISMS.md with detailed information about:

• Kernel module blacklisting mechanisms
• Systemd services that disable beeps
• Terminal bell configurations across different terminal emulators
• X11 and GUI settings for bell events
• Boot parameters that reduce system noise
• UEFI/BIOS settings for hardware-level beep control
• Debugging instructions for troubleshooting persistent beeps

Benefits

• Provides technical reference documentation for all beep silencing techniques
• Helps users understand the multi-layered approach to beep silencing
• Serves as educational material for Linux system administration
• Facilitates future contributions to the project
• Includes troubleshooting guidance for persistent beeps

Documentation Quality

• Well-structured with clear sections and a table of contents
• Contains code examples with explanations of how they work
• Includes references to external documentation for further reading
• Written in accessible language while maintaining technical accuracy
• Cross-references the firmware beep documentation in the main README

Fixes #121