Add premium configurator with split-screen layout

- Redesigned configurator page with split-screen interface
- Left: Large visual preview with sticky positioning
- Right: Premium white controls container with form steps
- Added complete configurator wizard (5 steps)
- Updated hero CTA to "Zelf ontwerpen"
- Configured Shadcn UI with Slate theme
- Added layout components (Navbar, Footer)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "stalendeuren_init",
+  "name": "stalendeuren",
   "version": "0.1.0",
   "private": true,
   "scripts": {
@@ -9,18 +9,31 @@
     "lint": "eslint"
   },
   "dependencies": {
+    "@hookform/resolvers": "^5.2.2",
+    "class-variance-authority": "^0.7.1",
+    "clsx": "^2.1.1",
+    "lucide-react": "^0.563.0",
     "next": "16.1.6",
+    "radix-ui": "^1.4.3",
     "react": "19.2.3",
-    "react-dom": "19.2.3"
+    "react-dom": "19.2.3",
+    "react-hook-form": "^7.71.1",
+    "tailwind-merge": "^3.4.0",
+    "zod": "^4.3.6"
   },
   "devDependencies": {
     "@tailwindcss/postcss": "^4",
+    "@types/cheerio": "^0.22.35",
     "@types/node": "^20",
     "@types/react": "^19",
     "@types/react-dom": "^19",
+    "axios": "^1.13.5",
+    "cheerio": "^1.2.0",
     "eslint": "^9",
     "eslint-config-next": "16.1.6",
+    "shadcn": "^3.8.4",
     "tailwindcss": "^4",
+    "tw-animate-css": "^1.4.0",
     "typescript": "^5"
   }
 }