feat: add OpenConcho web UI for Honcho (protege par Authelia)

ai/openconcho/Dockerfile

@@ -0,0 +1,23 @@
+# build stage
+FROM node:22-bookworm AS builder
+
+ENV PNPM_HOME=/pnpm
+ENV PATH=$PNPM_HOME:$PATH
+RUN corepack enable && corepack prepare pnpm@latest --activate
+
+WORKDIR /app
+RUN apt-get update && apt-get install -y git && rm -rf /var/lib/apt/lists/*
+
+ARG OPENCONCHO_SHA=e490d911fcb27ee193558fd9a28856cde2057665
+RUN git clone --depth 1 https://github.com/offendingcommit/openconcho.git /app && \
+    git -C /app fetch --depth 1 origin ${OPENCONCHO_SHA} && \
+    git -C /app checkout ${OPENCONCHO_SHA}
+
+RUN pnpm install --frozen-lockfile
+RUN pnpm --filter @openconcho/web build
+
+# runtime stage
+FROM nginx:alpine
+COPY --from=builder /app/packages/web/dist /usr/share/nginx/html
+EXPOSE 80
+CMD ["nginx", "-g", "daemon off;"]