Examine source code of Copy Guard

{
  "permissions": [
    "notifications",
    "storage"
  ],
  "background": {
    "scripts": [
      "src/background/index.js"
    ],
    "persistent": false
  },
  "options_ui": {
    "page": "src/options/index.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start",
      "js": [
        "src/contentScript/index.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "copyguard@ruud.je",
      "strict_min_version": "109.0"
    }
  },
  "icons": {
    "16": "assets/icon16.png",
    "32": "assets/icon32.png",
    "48": "assets/icon48.png",
    "96": "assets/icon96.png",
    "128": "assets/icon128.png"
  },
  "name": "Copy Guard",
  "version": "2.0.0",
  "manifest_version": 2
}