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/iconv-lite/package.json

@@ -0,0 +1,46 @@
+{
+    "name": "iconv-lite",
+    "description": "Convert character encodings in pure javascript.",
+    "version": "0.4.24",
+    "license": "MIT",
+    "keywords": [
+        "iconv",
+        "convert",
+        "charset",
+        "icu"
+    ],
+    "author": "Alexander Shtuchkin <ashtuchkin@gmail.com>",
+    "main": "./lib/index.js",
+    "typings": "./lib/index.d.ts",
+    "homepage": "https://github.com/ashtuchkin/iconv-lite",
+    "bugs": "https://github.com/ashtuchkin/iconv-lite/issues",
+    "repository": {
+        "type": "git",
+        "url": "git://github.com/ashtuchkin/iconv-lite.git"
+    },
+    "engines": {
+        "node": ">=0.10.0"
+    },
+    "scripts": {
+        "coverage": "istanbul cover _mocha -- --grep .",
+        "coverage-open": "open coverage/lcov-report/index.html",
+        "test": "mocha --reporter spec --grep ."
+    },
+    "browser": {
+        "./lib/extend-node": false,
+        "./lib/streams": false
+    },
+    "devDependencies": {
+        "mocha": "^3.1.0",
+        "request": "~2.87.0",
+        "unorm": "*",
+        "errto": "*",
+        "async": "*",
+        "istanbul": "*",
+        "semver": "*",
+        "iconv": "*"
+    },
+    "dependencies": {
+        "safer-buffer": ">= 2.1.2 < 3"
+    }
+}