Tags

Features:
* Added support for latest raspberrypi os (debian 12 bookworm)

Fixes:
* Refactor Pi OS detection
* http_proxy service dir in k3s_agent role

Fixes:
*  Update truthy values to true/false only.

Features:
*  Added support for latest RaspberryPi OS (Debian 12 Bookworm)

Features:
* Add option for install behind http_proxy
* Tidy up http_proxy usage

Fixes:
* Updated dependencies

Fixes:
* Add option to disable MetalLB, for use w/ ext LBs
* Add option to disable MetalLB, for use w/ ext LBs - add defaults
* Skip MetalLB with tags instead of flag

Features:
- Add option for custom registries / mirrors

Fixes:
- Expand secure_path with support for Suse

Fixes:
- Adding sysctl tags.
- Updating dependencies.

Fixes: 
- ERROR! The requested handler <'Reboot containers' / 'Reboot server' / 'Reboot>' was not found in either the main handlers list nor in the listening handlers list
- Updating Ansible dependencies

Some fixes and removing old files

For improved flexibility and maintainability.

* Update tasks in node role to use 'group_name_master' variable instead
  of hardcoded 'master' group name
* Update tasks in master role to use 'group_name_master' variable instead
  of hardcoded 'master' group name
* Update tasks in post role to use 'group_name_master' variable instead of
  hardcoded 'master' group name