/e/ UI SDK Implementation

Description

This MR is intended to implement /e/ UI Sdk to have /e/ specific resources in the system.

Related issues

https://gitlab.e.foundation/e/backlog/-/issues/1731

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

Related MRs

How has this been tested?

For a detailed guide of implementation and testing, kindly follow these links ->

1. https://gitlab.e.foundation/internal/wiki/-/wikis/ui/implement-e-ui-guidelines-in-an-app
2. https://gitlab.e.foundation/internal/wiki/-/wikis/How-to-build-e_theme.zip

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules