feat: new ui with greyhaven design system

ui/Dockerfile

@@ -0,0 +1,23 @@
+# syntax=docker/dockerfile:1
+
+FROM node:22-alpine AS builder
+WORKDIR /app
+RUN corepack enable
+COPY package.json pnpm-lock.yaml ./
+RUN pnpm install --frozen-lockfile
+COPY . .
+
+# Vite bakes VITE_* env vars into the bundle at build time.
+ARG VITE_OIDC_AUTHORITY=
+ARG VITE_OIDC_CLIENT_ID=
+ARG VITE_OIDC_SCOPE=openid profile email
+ENV VITE_OIDC_AUTHORITY=$VITE_OIDC_AUTHORITY \
+    VITE_OIDC_CLIENT_ID=$VITE_OIDC_CLIENT_ID \
+    VITE_OIDC_SCOPE=$VITE_OIDC_SCOPE
+
+RUN pnpm build
+
+FROM nginx:alpine
+COPY --from=builder /app/dist /usr/share/nginx/html/v2
+COPY nginx.conf /etc/nginx/conf.d/default.conf
+EXPOSE 80