chore: update dependencies and improve routing

- Updated "@vitejs/plugin-react-swc" from "^3.11.0" to "^4.2.3" in package.json.
- Downgraded "vite" from "^5.4.19" to "7.3.1" in package.json.
- Enhanced HashRouter in App.tsx to support future features.
- Changed projects extraction in WorkSection.tsx for clarity and added a null check for empty events.

Author: jhermesn