feat: ship self-hosted KOC LOOP workflows

deploy/nginx/Dockerfile

@@ -0,0 +1,11 @@
+FROM node:22.18.0-bookworm-slim AS portal-builder
+WORKDIR /portal
+ENV NEXT_TELEMETRY_DISABLED=1
+COPY koc-portal/package.json koc-portal/package-lock.json ./
+RUN npm ci
+COPY koc-portal/ ./
+RUN npm run build
+
+FROM nginx:1.27-alpine
+COPY deploy/nginx/koc-loop.conf /etc/nginx/conf.d/default.conf
+COPY --from=portal-builder /portal/out /usr/share/nginx/html/koc