- Changed API and Keycloak URLs in `.env` and `.env.development`.
- Updated `vite.config.js` to reflect new allowed hosts.
- Refactored components to use `useContent` context instead of individual contexts for blogs, companies, and projects.
- Improved error handling in `App` component with `AppError`.
- Added FPS monitoring to `ParticlesBackground` component for developer mode.
- Removed unused contexts and adjusted related imports.
- Enhanced styling for various components and added new styles for FPS monitor.
- Cleaned up SVG files by removing unnecessary attributes.
