Exported security and stylling options for MesopUI

[davorrunje]

Description

Type of change

• Documentation (typos, code examples, or any documentation updates)
• Bug fix (a non-breaking change that resolves an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (a fix or feature that would disrupt existing functionality)
• This change requires a documentation update

Checklist

• I have conducted a self-review of my own code
• I have made the necessary changes to the documentation
• My changes do not generate any new warnings
• I have added tests to validate the effectiveness of my fix or the functionality of my new feature
• I have included code examples to illustrate the modifications

[codecov]

Codecov Report

Attention: Patch coverage is 20.00000% with 12 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
docs/docs_src/user_guide/ui/mesop/main_mesop.py	0.00%	12 Missing ⚠️

Files with missing lines	Coverage Δ
fastagency/ui/mesop/base.py	57.97% <100.00%> (ø)
fastagency/ui/mesop/main.py	27.36% <100.00%> (ø)
docs/docs_src/user_guide/ui/mesop/main_mesop.py	0.00% <0.00%> (ø)

... and 2 files with indirect coverage changes