Feature/remove external icons

[Dami24-hub]

Description

This PR significantly optimizes the application's bundle size by completely removing all external heavy asset dependencies (such as lucide-react and fontawesome). All icon implementations across the application layers have been successfully migrated to locally served, highly compressed static SVGs housed within the public/icons/ asset wrapper.

This drastically cuts down on client-side JS evaluation time and improves initial page-load performance scores.

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Performance Optimization / Refactoring (non-breaking asset cleanup)

Implementation Details

• Dependency Deprecation: Excised unused icon library packages from package.json and cleaned up global node modules.
• Static Asset Migration: Gathered and organized clean vector files into public/icons/ matching the project design specs.
• Component Refactoring: Rewrote presentation logic to favor native static paths or clean, custom-inlined components handling scalable path attributes.

How Has This Been Tested? / Visual Preview

• Local Deployment Check: Launched the application locally to inspect elements across global components.
• Visual Verification: Verified icon rendering consistency against Figma by testing the changes directly on the local dev server at:
• Production Compilation: Executed npm run build ensuring bundle chunk generation passes smoothly with zero broken references.
• Lint & Format Validation: Verified that npm run lint returns green with zero warnings.

Checklist:

• My branch is named conventionally (refactor/issue-712-remove-external-icons)
• Absolutely no external icon module import strings remain in the codebase
• All icon elements have responsive styling and adjust accurately across standard viewports
• Changes pass all remote GitHub CI automation hooks
  Fixes FRONTEND: Remove External Icon Libraries (Lucide, FontAwesome) #712

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