Copywriter and content manager helper

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Copywriter and content manager helper",
  "short_name": "Content helper",
  "description": "I hope, this extension will be useful for many copywriters, content managers and web developers",
  "version": "0.4",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "jquery-3.2.1.min.js",
        "content.js"
      ],
      "all_frames": true,
      "run_at": "document_end"
    }
  ],
  "browser_action": {
    "default_title": "Открыть переводчик",
    "default_icon": "icon-48.png",
    "default_popup": "tpl/menu.html"
  },
  "permissions": [
    "<all_urls>",
    "contextMenus",
    "identity",
    "identity.email",
    "tabs",
    "storage"
  ],
  "web_accessible_resources": [
    "tpl/modals.html"
  ]
}