Буфер обмена текста

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "background": {
    "scripts": [
      "./assets/js/background.js"
    ]
  },
  "browser_action": {
    "default_icon": "./assets/img/clipboard-100.png",
    "default_title": "Буфер обмена",
    "default_popup": "./popup.html"
  },
  "content_scripts": [
    {
      "css": [
        "./assets/css/popup.css"
      ],
      "js": [
        "./assets/js/content.js"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "description": "Простой буфер обмена",
  "icons": {
    "48": "./assets/img/clipboard-50.png",
    "128": "./assets/img/clipboard-100.png"
  },
  "web_accessible_resources": [
    "./assets/img/*"
  ],
  "manifest_version": 2,
  "name": "Буфер обмена текста",
  "permissions": [
    "background",
    "*://*/*"
  ],
  "short_name": "MyClipboard",
  "version": "1.0.0.4"
}