fix: IndeedHub demo clone uses GITEA_TOKEN build arg

Private repo needs auth — pass GITEA_TOKEN as env var in Portainer,
never hardcoded. Or make the repo public to skip auth entirely.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

indeedhub-demo/Dockerfile

@@ -3,7 +3,8 @@
 FROM node:20-alpine AS builder
 RUN apk add --no-cache git
 WORKDIR /app
-RUN git clone --depth 1 https://git.tx1138.com/lfg2025/indeehub.git .
+ARG GITEA_TOKEN=""
+RUN git clone --depth 1 https://testaccount:${GITEA_TOKEN}@git.tx1138.com/lfg2025/indeehub.git .
 RUN npm ci
 ENV VITE_USE_MOCK_DATA=false
 ENV VITE_INDEEHUB_API_URL=/api