Updates image URLs across various components and pages to dynamically fetch images using Cloudflare's image hosting service, configured via environment variables. Also updates the theme provider import for Sonner toasts and modifies the Supabase upload function to use a configurable Supabase URL.
Replit-Commit-Author: Agent
Replit-Commit-Session-Id: f1469493-0a69-4efc-91bd-478d1879573a
Replit-Commit-Checkpoint-Type: intermediate_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/7cdf4e95-3f41-4180-b8e3-8ef56d032c0e/f1469493-0a69-4efc-91bd-478d1879573a/HYhVkSk
