Add support for FreeBSD

[alonsobsd]

Description

This is a initial support for FreeBSD

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes.

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works

[Copilot]

Pull Request Overview

This PR adds initial FreeBSD support to the project by extending the platform selection and command generation logic to handle FreeBSD as a target operating system.

• Added FreeBSD as a selectable platform option in the UI
• Implemented FreeBSD-specific command generation logic for human deployment
• Added FreeBSD case handling for command escaping patterns

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[Copilot]

The FreeBSD case hardcodes 'python3.9' while other platforms use 'python3'. Consider using 'python3' for consistency unless FreeBSD specifically requires version 3.9.

Suggested change

	' && virtualenv -p python3.9 \''+humanName+'\' && \''+humanName+'/bin/pip\' install -r \''+humanName+'/requirements.txt\' && \''+humanName+'/bin/python\' \''+humanName+'/human.py\' --clustersize '+taskCount+' ' +
	' && virtualenv -p python3 \''+humanName+'\' && \''+humanName+'/bin/pip\' install -r \''+humanName+'/requirements.txt\' && \''+humanName+'/bin/python\' \''+humanName+'/human.py\' --clustersize '+taskCount+' ' +

[Copilot]

Remove trailing whitespace after 'break;'

Suggested change

	break;
	break;