Replace static Hello World with KenJim Technologies React app

- Vite + React frontend: hero, services grid, contact form
- Express + nodemailer backend for contact form → kenji@kenjim.com
- Multi-stage Docker builds; nginx inside frontend proxies /api to backend
- SMTP config via .env (see .env.example)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

docker-compose.yml

@@ -1,9 +1,15 @@
 services:
-  www:
-    image: nginx:alpine
-    container_name: www-kenjim
+  frontend:
+    build: ./frontend
+    container_name: www-kenjim-frontend
     ports:
       - "8080:80"
-    volumes:
-      - ./html:/usr/share/nginx/html:ro
+    depends_on:
+      - api
+    restart: always
+
+  api:
+    build: ./backend
+    container_name: www-kenjim-api
+    env_file: .env
     restart: always