chore: initial commit — UdyamLinc UI, phases A-E

Vite/React 19 console and enterprise PWA. Officer console screens, offline
ledger and sync, data feeds and trip-wire rules screens with freshness chip.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

Dockerfile

@@ -0,0 +1,15 @@
+# ── build stage: compile the Vite bundle inside Docker ──
+FROM node:22-alpine AS build
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+COPY . .
+# VITE_UDYAM_API_BASE_URL is unset here, so the compiled-in default
+# (http://udyamlinc-backend.lincpay/api/v1/udyam) is baked into the bundle.
+RUN npm run build
+
+# ── serve stage: nginx serving the static SPA on 5173 ──
+FROM nginx:alpine
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+COPY --from=build /app/dist /usr/share/nginx/html
+EXPOSE 5173