Ship Novya PWA with backend for deployable production use.

Fix production TypeScript builds and add DEPLOY.md so the app can be hosted from this repo.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/docker-compose.dev.yml

@@ -0,0 +1,22 @@
+services:
+  mysql:
+    image: mysql:8.4
+    container_name: novya-backend-mysql
+    restart: unless-stopped
+    environment:
+      MYSQL_ROOT_PASSWORD: root
+      MYSQL_DATABASE: novya
+      MYSQL_USER: novya
+      MYSQL_PASSWORD: novya
+    ports:
+      - "3306:3306"
+    volumes:
+      - novya_mysql_data:/var/lib/mysql
+    healthcheck:
+      test: ["CMD", "mysqladmin", "ping", "-h", "127.0.0.1", "-uroot", "-proot"]
+      interval: 5s
+      timeout: 5s
+      retries: 20
+
+volumes:
+  novya_mysql_data: