Examine source code of OKK

{
  "manifest_version": 2,
  "name": "Launcher",
  "description": "",
  "version": "2.0.1",
  "icons": {
    "128": "icon-128.jpg"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{f00d4545-4ddf-42ba-915d-37b36512b1be}",
      "strict_min_version": "58.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "tabs",
    "https://*/*"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'; frame-src https: *;",
  "background": {
    "scripts": [
      "app-background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon-128.jpg",
    "default_title": "Launcher"
  }
}