Add CP→CA→PI platform foundation on MapMil monorepo.

Unify parsing workers, analytics API with PostgreSQL, map UI, and PI distribution into centers/ with Docker Compose.

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

frontend/Dockerfile

@@ -0,0 +1,18 @@
+FROM node:22-alpine AS build
+
+WORKDIR /app
+
+COPY package.json ./
+RUN npm install
+
+COPY . .
+RUN npm run build
+
+FROM nginx:alpine
+
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist /usr/share/nginx/html
+
+EXPOSE 80
+
+CMD ["nginx", "-g", "daemon off;"]