Add console + marketing site to Docker Compose and build-push

- Console: nginx SPA on port 3010, image reg.dd0c.net/dd0c-console
- Marketing: nginx static on port 3011, image reg.dd0c.net/dd0c-marketing
- Dockerfiles + .dockerignore for both
- build-push.sh updated to include console + marketing targets

products/marketing/site/.dockerignore

@@ -0,0 +1,3 @@
+node_modules/
+dist/
+.env

products/marketing/site/Dockerfile

@@ -0,0 +1,11 @@
+FROM node:22-slim AS build
+WORKDIR /app
+COPY package.json package-lock.json* ./
+RUN npm ci
+COPY . .
+RUN npm run build
+
+FROM nginx:alpine
+COPY --from=build /app/dist /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]