Marketing Hub: RBAC, i18n (AR/EN), tasks overhaul, team/user merge, tutorial

Features:
- Full RBAC with 3 roles (superadmin/manager/contributor)
- Ownership tracking on posts, tasks, campaigns, projects
- Task system: assign to anyone, filter combobox, visibility scoping
- Team members merged into users table (single source of truth)
- Post thumbnails on kanban cards from attachments
- Publication link validation before publishing
- Interactive onboarding tutorial with Settings restart
- Full Arabic/English i18n with RTL layout support
- Language toggle in sidebar, IBM Plex Sans Arabic font
- Brand-based visibility filtering for non-superadmins
- Manager can only create contributors
- Profile completion flow for new users
- Cookie-based sessions (express-session + SQLite)

server/node_modules/bcrypt/Dockerfile-alpine

@@ -0,0 +1,41 @@
+# Usage:
+#
+#   docker build -t bcryptjs-linux-alpine-builder -f Dockerfile-alpine .
+#   CONTAINER=$(docker create bcryptjs-linux-alpine-builder)
+#   # Then copy the artifact to your host:
+#   docker cp "$CONTAINER:/usr/local/opt/bcrypt-js/prebuilds" .
+#   docker rm "$CONTAINER"
+
+ARG FROM_IMAGE=node:18-alpine
+FROM ${FROM_IMAGE}
+
+ENV project bcrypt-js
+ENV DEBIAN_FRONTEND noninteractive
+ENV LC_ALL en_US.UTF-8
+ENV LANG ${LC_ALL}
+
+RUN echo "#log: ${project}: Setup system" \
+  && set -x \
+  && apk add --update build-base python3 \
+  && npm i -g prebuildify@5 node-gyp@9 \
+  && sync
+
+ADD . /usr/local/opt/${project}
+WORKDIR /usr/local/opt/${project}
+
+RUN echo "#log: ${project}: Running build" \
+  && set -x \
+  && npm ci \
+  && npm run build
+
+ARG RUN_TESTS=true
+ARG TEST_TIMEOUT_SECONDS=
+
+RUN if "${RUN_TESTS}"; then \
+    echo "#log ${project}: Running tests" \
+    && npm test; \
+  else \
+    echo "#log ${project}: Tests were skipped!"; \
+  fi
+
+CMD /bin/bash -l