feat: extend fluency utilities and add function to clean/remove empty properties

[halvaradop]

Descripton

This pull request introduces a new feature that allows users to extend or update the default values offered by the plugin with the fluency utilities, which can be changed in the configuration file. Additionally, it includes a new function to remove empty properties from an object.

• Fluency utilities: Extend the default values or overwrite existing utilities through the theme configuration.
• Remove empty properties: Implemented a function to clean up the properties of an object with empty values.

Motivatin

These changes aim to improve and provide flexibility and customization offered by the plugin with the fluency utilities, ensuring cleaner utility objects.

Checklist

• Documentation
• The changes don't generate warnings
• I have performed a self-review of my own code
• Test