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/mime/package.json

@@ -0,0 +1,44 @@
+{
+  "author": {
+    "name": "Robert Kieffer",
+    "url": "http://github.com/broofa",
+    "email": "robert@broofa.com"
+  },
+  "bin": {
+    "mime": "cli.js"
+  },
+  "engines": {
+    "node": ">=4"
+  },
+  "contributors": [
+    {
+      "name": "Benjamin Thomas",
+      "url": "http://github.com/bentomas",
+      "email": "benjamin@benjaminthomas.org"
+    }
+  ],
+  "description": "A comprehensive library for mime-type mapping",
+  "license": "MIT",
+  "dependencies": {},
+  "devDependencies": {
+    "github-release-notes": "0.13.1",
+    "mime-db": "1.31.0",
+    "mime-score": "1.1.0"
+  },
+  "scripts": {
+    "prepare": "node src/build.js",
+    "changelog": "gren changelog --tags=all --generate --override",
+    "test": "node src/test.js"
+  },
+  "keywords": [
+    "util",
+    "mime"
+  ],
+  "main": "mime.js",
+  "name": "mime",
+  "repository": {
+    "url": "https://github.com/broofa/node-mime",
+    "type": "git"
+  },
+  "version": "1.6.0"
+}