[7.1] Story: Create README

[adriancofie]

Description

Write the main README with getting started guide and project overview.

Parent Issue: #EPIC_7

Sub-Tasks

• Write project overview and purpose
• Add installation instructions (npm, yarn)
• Include quick start code example
• Add link to Storybook documentation
• Document browser support matrix
• Add contributing link
• Include license information
• Add badges (npm version, CI status, coverage)

Notes

• README is the first thing developers see