refactored DreamPage to use lazy loading with Suspense for charts and media, modularized chart components into DreamCharts.tsx using d3, and optimized build by grouping libraries into separate chunks in vite.config.ts

Signed-off-by: Matthias Puchstein <matthias@puchstein.bayern>

package.json

@@ -29,6 +29,7 @@
     "@types/react": "^19.1.8",
     "@types/react-dom": "^19.1.6",
     "@types/react-slick": "^0.23.13",
+    "@types/three": "^0.178.1",
     "@vitejs/plugin-react": "^4.5.2",
     "eslint": "^9.29.0",
     "eslint-plugin-react-hooks": "^5.2.0",