Removed dark mode

Merge pull request #1 from jonyhu/vercel/react-server-components-cve-vu-xe9r7n

Fix React Server Components CVE vulnerabilities

Fixed the build error by removing the unsupported request.ip access

feat: move OpenAI key server-side and add usage guards

feat: fix ETF capitalization and update comprehensive README

fix: improve Portfolio Summary text visibility and clean up favicon files

feat: rebrand to Portfolio Copilot

fix: remove environment variables from vercel.json

fix: remove conflicting builds property from vercel.json

fix: resolve all build errors for Vercel deployment

feat: Add enhanced AI response formatting with markdown rendering

refactor: Remove complex AI parsing logic and simplify response handling

feat: Add complex AI parsing logic (problematic approach)

docs: Add deployment configuration and comprehensive documentation