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/expand-template/README.md

@@ -0,0 +1,43 @@
+# expand-template
+
+> Expand placeholders in a template string.
+
+[![npm](https://img.shields.io/npm/v/expand-template.svg)](https://www.npmjs.com/package/expand-template)
+![Node version](https://img.shields.io/node/v/expand-template.svg)
+[![Build Status](https://travis-ci.org/ralphtheninja/expand-template.svg?branch=master)](https://travis-ci.org/ralphtheninja/expand-template)
+[![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com)
+
+## Install
+
+```
+$ npm i expand-template -S
+```
+
+## Usage
+
+Default functionality expands templates using `{}` as separators for string placeholders.
+
+```js
+var expand = require('expand-template')()
+var template = '{foo}/{foo}/{bar}/{bar}'
+console.log(expand(template, {
+  foo: 'BAR',
+  bar: 'FOO'
+}))
+// -> BAR/BAR/FOO/FOO
+```
+
+Custom separators:
+
+```js
+var expand = require('expand-template')({ sep: '[]' })
+var template = '[foo]/[foo]/[bar]/[bar]'
+console.log(expand(template, {
+  foo: 'BAR',
+  bar: 'FOO'
+}))
+// -> BAR/BAR/FOO/FOO
+```
+
+## License
+All code, unless stated otherwise, is dual-licensed under [`WTFPL`](http://www.wtfpl.net/txt/copying/) and [`MIT`](https://opensource.org/licenses/MIT).