Initial MobilityOps build pack (docs, contracts, scaffold)

frontend/Dockerfile

@@ -0,0 +1,10 @@
+FROM node:22-alpine AS build
+WORKDIR /app
+COPY package.json tsconfig.json vite.config.ts index.html ./
+COPY src ./src
+RUN npm install && npm run build
+
+FROM nginx:1.27-alpine
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist /usr/share/nginx/html
+EXPOSE 80