Missing preferences in bootstrap5 #4683

[Jimmi08]

Motivation and Context

Link to issue; https://github.com/e107inc/e107/issues/4683

Description

Added preferences from boostrap3 theme

Types of Changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [x] New feature (non-breaking change which adds functionality)
• [ ] Performance enhancement (non-breaking change which improves efficiency)
• [ ] Code cleanup (non-breaking change which makes code smaller or more readable)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Documentation (a change to man pages or other documentation)

[CaMer0n]

Thank you @Jimmi08