Add reactive monochromatic gradient background with cursor-driven ripples#1

Copilot wants to merge 3 commits intomainPhlotonic/Advanced-React-Ecommerce-Web-App-with-TypeScript:mainfrom

copilot/fix-76844656-958776029-31e767c9-49d8-4da6-a441-5756b62f68fePhlotonic/Advanced-React-Ecommerce-Web-App-with-TypeScript:copilot/fix-76844656-958776029-31e767c9-49d8-4da6-a441-5756b62f68feCopy head branch name to clipboard