feat: establish consistent design system

[Fidelisaboke]

Establish a consistent design system (DS) across pages (tokens, component library, design document):

Tokens

• Primary font
• Secondary font
• Primary colors (with Tailwind-like variations)
• Secondary colors (with Tailwind-like variations)
• White, Dark and Grey variations
• Theme (built from colors): color palette, semantic tokens, fonts, gradients
• Base Styles (apply on body)

Component Library

• Build reusable Livewire components

Design Document

• A brief description of the DS including rules and guidelines