feat: complete agency site build (Phases 1-7)

Full Next.js 16 + Payload CMS 3.x agency site with:
- Homepage: Hero, TrustBar, Services, Configurator wizard, Process,
  Selected Works, Philosophy, CTA Banner
- Sub-pages: /services (3 pillars + AI Layer), /work/[slug] (case
  studies), /about (philosophy + story)
- Configurator: 3-step wizard with AI brief generation API
- i18n: Full EN/FR bilingual with next-intl
- Design system: Cormorant Garamond + Inter, celestial blue palette,
  glassmorphism nav, Framer Motion animations
- Payload CMS collections: Projects, Services, Submissions, Media

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

package.json

@@ -0,0 +1,39 @@
+{
+  "name": "letsbe-agency",
+  "version": "1.0.0",
+  "private": true,
+  "scripts": {
+    "dev": "next dev",
+    "build": "next build",
+    "start": "next start",
+    "lint": "next lint",
+    "generate:types": "payload generate:types"
+  },
+  "dependencies": {
+    "@payloadcms/db-postgres": "^3.80.0",
+    "@payloadcms/next": "^3.80.0",
+    "@payloadcms/richtext-lexical": "^3.80.0",
+    "@payloadcms/ui": "^3.80.0",
+    "@types/node": "^25.5.0",
+    "@types/nodemailer": "^7.0.11",
+    "@types/react": "^19.2.14",
+    "clsx": "^2.1.1",
+    "framer-motion": "^12.38.0",
+    "graphql": "^16.13.2",
+    "lucide-react": "^1.7.0",
+    "next": "^16.2.1",
+    "next-intl": "^4.8.3",
+    "nodemailer": "^8.0.4",
+    "payload": "^3.80.0",
+    "react": "^19.2.4",
+    "react-dom": "^19.2.4",
+    "sharp": "^0.34.5",
+    "typescript": "^5.9.3"
+  },
+  "devDependencies": {
+    "@tailwindcss/postcss": "^4.2.2",
+    "autoprefixer": "^10.4.27",
+    "postcss": "^8.5.8",
+    "tailwindcss": "^4.2.2"
+  }
+}