Renderer Architecture Overhaul and Tools Hub

Summary

This release restructures the renderer architecture, introduces a new Tools Hub, and reorganizes styles, tests, and tooling for a cleaner and more maintainable codebase.

Features

• Add a new Tools Hub page with instructions and access to Windows tools, including Cleaner, Debloat, and Maintenance pages.
• Add custom apps data file and downloads, operations, and overlays modules for the renderer.
• Add standalone text i18n module.
• Split renderer styles into a modular structure covering foundation, controls, shell, components, activity, and per-page stylesheets.
• Update installer UI, updater UI, and installer flow styling.

Improvements

• Update English and Greek translations for the new Tools Hub and consolidated pages.
• Add terminal and UI modules to the renderer.
• Broaden ESLint coverage to include i18n, installer UI, and updater renderer scripts.
• Remove obsolete info, tools, managers, components, and usability modules in favor of the new structure.
• Remove one-off icon and SVG maintenance scripts.
• Move tests to tools/tests and update ignore paths and the test script accordingly.

Notes

• Existing test files for auth profile, session storage, settings state, and update health were removed as part of the restructuring.